diff --git a/runtests.sh b/runtests.sh
new file mode 100755
index 0000000..6779517
--- /dev/null
+++ b/runtests.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+REQUESTS_CA_BUNDLE=`python -m pytest_httpbin.certs` py.test $1
diff --git a/setup.py b/setup.py
index 08c2fb4..90fb47a 100644
--- a/setup.py
+++ b/setup.py
@@ -64,8 +64,7 @@ setup(
     install_requires=install_requires,
     extras_require=extras_require,
     license='MIT',
-    tests_require=['pytest', 'mock', 'pytest-localserver'],
-    cmdclass={'test': PyTest},
+    tests_require=['pytest', 'mock', 'pytest-localserver', 'pytest-httpbin'],
     classifiers=[
         'Development Status :: 4 - Beta',
         'Environment :: Console',
diff --git a/tests/integration/test_basic.py b/tests/integration/test_basic.py
index 9d4d6d9..29b1854 100644
--- a/tests/integration/test_basic.py
+++ b/tests/integration/test_basic.py
@@ -9,74 +9,63 @@ from six.moves.urllib.request import urlopen
 import vcr
 
 
-def test_nonexistent_directory(tmpdir):
+def test_nonexistent_directory(tmpdir, httpbin):
     '''If we load a cassette in a nonexistent directory, it can save ok'''
     # Check to make sure directory doesnt exist
     assert not os.path.exists(str(tmpdir.join('nonexistent')))
 
     # Run VCR to create dir and cassette file
     with vcr.use_cassette(str(tmpdir.join('nonexistent', 'cassette.yml'))):
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
 
     # This should have made the file and the directory
     assert os.path.exists(str(tmpdir.join('nonexistent', 'cassette.yml')))
 
 
-def test_unpatch(tmpdir):
+def test_unpatch(tmpdir, httpbin):
     '''Ensure that our cassette gets unpatched when we're done'''
     with vcr.use_cassette(str(tmpdir.join('unpatch.yaml'))) as cass:
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
 
     # Make the same request, and assert that we haven't served any more
     # requests out of cache
-    urlopen('http://httpbin.org/').read()
+    urlopen(httpbin.url).read()
     assert cass.play_count == 0
 
 
-def test_basic_use(tmpdir):
-    '''
-    Copied from the docs
-    '''
-    with vcr.use_cassette('fixtures/vcr_cassettes/synopsis.yaml'):
-        response = urlopen(
-            'http://www.iana.org/domains/reserved'
-        ).read()
-        assert b'Example domains' in response
-
-
-def test_basic_json_use(tmpdir):
+def test_basic_json_use(tmpdir, httpbin):
     '''
     Ensure you can load a json serialized cassette
     '''
-    test_fixture = 'fixtures/vcr_cassettes/synopsis.json'
+    test_fixture = str(tmpdir.join('synopsis.json'))
     with vcr.use_cassette(test_fixture, serializer='json'):
-        response = urlopen('http://httpbin.org/').read()
+        response = urlopen(httpbin.url).read()
         assert b'difficult sometimes' in response
 
 
-def test_patched_content(tmpdir):
+def test_patched_content(tmpdir, httpbin):
     '''
     Ensure that what you pull from a cassette is what came from the
     request
     '''
     with vcr.use_cassette(str(tmpdir.join('synopsis.yaml'))) as cass:
-        response = urlopen('http://httpbin.org/').read()
+        response = urlopen(httpbin.url).read()
         assert cass.play_count == 0
 
     with vcr.use_cassette(str(tmpdir.join('synopsis.yaml'))) as cass:
-        response2 = urlopen('http://httpbin.org/').read()
+        response2 = urlopen(httpbin.url).read()
         assert cass.play_count == 1
         cass._save(force=True)
 
     with vcr.use_cassette(str(tmpdir.join('synopsis.yaml'))) as cass:
-        response3 = urlopen('http://httpbin.org/').read()
+        response3 = urlopen(httpbin.url).read()
         assert cass.play_count == 1
 
     assert response == response2
     assert response2 == response3
 
 
-def test_patched_content_json(tmpdir):
+def test_patched_content_json(tmpdir, httpbin):
     '''
     Ensure that what you pull from a json cassette is what came from the
     request
@@ -85,16 +74,16 @@ def test_patched_content_json(tmpdir):
     testfile = str(tmpdir.join('synopsis.json'))
 
     with vcr.use_cassette(testfile) as cass:
-        response = urlopen('http://httpbin.org/').read()
+        response = urlopen(httpbin.url).read()
         assert cass.play_count == 0
 
     with vcr.use_cassette(testfile) as cass:
-        response2 = urlopen('http://httpbin.org/').read()
+        response2 = urlopen(httpbin.url).read()
         assert cass.play_count == 1
         cass._save(force=True)
 
     with vcr.use_cassette(testfile) as cass:
-        response3 = urlopen('http://httpbin.org/').read()
+        response3 = urlopen(httpbin.url).read()
         assert cass.play_count == 1
 
     assert response == response2
diff --git a/tests/integration/test_config.py b/tests/integration/test_config.py
index d58e32d..1ce07be 100644
--- a/tests/integration/test_config.py
+++ b/tests/integration/test_config.py
@@ -5,46 +5,46 @@ import vcr
 from six.moves.urllib.request import urlopen
 
 
-def test_set_serializer_default_config(tmpdir):
+def test_set_serializer_default_config(tmpdir, httpbin):
     my_vcr = vcr.VCR(serializer='json')
 
     with my_vcr.use_cassette(str(tmpdir.join('test.json'))):
         assert my_vcr.serializer == 'json'
-        urlopen('http://httpbin.org/get')
+        urlopen(httpbin.url + '/get')
 
     with open(str(tmpdir.join('test.json'))) as f:
         assert json.loads(f.read())
 
 
-def test_default_set_cassette_library_dir(tmpdir):
+def test_default_set_cassette_library_dir(tmpdir, httpbin):
     my_vcr = vcr.VCR(cassette_library_dir=str(tmpdir.join('subdir')))
 
     with my_vcr.use_cassette('test.json'):
-        urlopen('http://httpbin.org/get')
+        urlopen(httpbin.url + '/get')
 
     assert os.path.exists(str(tmpdir.join('subdir').join('test.json')))
 
 
-def test_override_set_cassette_library_dir(tmpdir):
+def test_override_set_cassette_library_dir(tmpdir, httpbin):
     my_vcr = vcr.VCR(cassette_library_dir=str(tmpdir.join('subdir')))
 
     cld = str(tmpdir.join('subdir2'))
 
     with my_vcr.use_cassette('test.json', cassette_library_dir=cld):
-        urlopen('http://httpbin.org/get')
+        urlopen(httpbin.url + '/get')
 
     assert os.path.exists(str(tmpdir.join('subdir2').join('test.json')))
     assert not os.path.exists(str(tmpdir.join('subdir').join('test.json')))
 
 
-def test_override_match_on(tmpdir):
+def test_override_match_on(tmpdir, httpbin):
     my_vcr = vcr.VCR(match_on=['method'])
 
     with my_vcr.use_cassette(str(tmpdir.join('test.json'))):
-        urlopen('http://httpbin.org/')
+        urlopen(httpbin.url)
 
     with my_vcr.use_cassette(str(tmpdir.join('test.json'))) as cass:
-        urlopen('http://httpbin.org/get')
+        urlopen(httpbin.url + '/get')
 
     assert len(cass) == 1
     assert cass.play_count == 1
diff --git a/tests/integration/test_disksaver.py b/tests/integration/test_disksaver.py
index 0f853b9..ffca2fc 100644
--- a/tests/integration/test_disksaver.py
+++ b/tests/integration/test_disksaver.py
@@ -10,19 +10,19 @@ from six.moves.urllib.request import urlopen
 import vcr
 
 
-def test_disk_saver_nowrite(tmpdir):
+def test_disk_saver_nowrite(tmpdir, httpbin):
     '''
     Ensure that when you close a cassette without changing it it doesn't
     rewrite the file
     '''
     fname = str(tmpdir.join('synopsis.yaml'))
     with vcr.use_cassette(fname) as cass:
-        urlopen('http://www.iana.org/domains/reserved').read()
+        urlopen(httpbin.url).read()
         assert cass.play_count == 0
     last_mod = os.path.getmtime(fname)
 
     with vcr.use_cassette(fname) as cass:
-        urlopen('http://www.iana.org/domains/reserved').read()
+        urlopen(httpbin.url).read()
         assert cass.play_count == 1
         assert cass.dirty is False
     last_mod2 = os.path.getmtime(fname)
@@ -30,14 +30,14 @@ def test_disk_saver_nowrite(tmpdir):
     assert last_mod == last_mod2
 
 
-def test_disk_saver_write(tmpdir):
+def test_disk_saver_write(tmpdir, httpbin):
     '''
     Ensure that when you close a cassette after changing it it does
     rewrite the file
     '''
     fname = str(tmpdir.join('synopsis.yaml'))
     with vcr.use_cassette(fname) as cass:
-        urlopen('http://www.iana.org/domains/reserved').read()
+        urlopen(httpbin.url).read()
         assert cass.play_count == 0
     last_mod = os.path.getmtime(fname)
 
@@ -46,8 +46,8 @@ def test_disk_saver_write(tmpdir):
     time.sleep(1)
 
     with vcr.use_cassette(fname, record_mode='any') as cass:
-        urlopen('http://www.iana.org/domains/reserved').read()
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
+        urlopen(httpbin.url + '/get').read()
         assert cass.play_count == 1
         assert cass.dirty
     last_mod2 = os.path.getmtime(fname)
diff --git a/tests/integration/test_filter.py b/tests/integration/test_filter.py
index a5dc3a6..ccdc94f 100644
--- a/tests/integration/test_filter.py
+++ b/tests/integration/test_filter.py
@@ -21,8 +21,8 @@ def _find_header(cassette, header):
     return any(header in request.headers for request in cassette.requests)
 
 
-def test_filter_basic_auth(tmpdir):
-    url = 'http://httpbin.org/basic-auth/user/passwd'
+def test_filter_basic_auth(tmpdir, httpbin):
+    url = httpbin.url + '/basic-auth/user/passwd'
     cass_file = str(tmpdir.join('basic_auth_filter.yaml'))
     my_vcr = vcr.VCR(match_on=['uri', 'method', 'headers'])
     # 2 requests, one with auth failure and one with auth success
@@ -44,8 +44,8 @@ def test_filter_basic_auth(tmpdir):
         assert len(cass) == 2
 
 
-def test_filter_querystring(tmpdir):
-    url = 'http://httpbin.org/?foo=bar'
+def test_filter_querystring(tmpdir, httpbin):
+    url = httpbin.url + '/?foo=bar'
     cass_file = str(tmpdir.join('filter_qs.yaml'))
     with vcr.use_cassette(cass_file, filter_query_parameters=['foo']):
         urlopen(url)
@@ -54,8 +54,8 @@ def test_filter_querystring(tmpdir):
         assert 'foo' not in cass.requests[0].url
 
 
-def test_filter_post_data(tmpdir):
-    url = 'http://httpbin.org/post'
+def test_filter_post_data(tmpdir, httpbin):
+    url = httpbin.url + '/post'
     data = urlencode({'id': 'secret', 'foo': 'bar'}).encode('utf-8')
     cass_file = str(tmpdir.join('filter_pd.yaml'))
     with vcr.use_cassette(cass_file, filter_post_data_parameters=['id']):
@@ -64,9 +64,9 @@ def test_filter_post_data(tmpdir):
         assert b'id=secret' not in cass.requests[0].body
 
 
-def test_filter_json_post_data(tmpdir):
+def test_filter_json_post_data(tmpdir, httpbin):
     data = json.dumps({'id': 'secret', 'foo': 'bar'}).encode('utf-8')
-    request = Request('http://httpbin.org/post', data=data)
+    request = Request(httpbin.url + '/post', data=data)
     request.add_header('Content-Type', 'application/json')
 
     cass_file = str(tmpdir.join('filter_jpd.yaml'))
@@ -76,8 +76,8 @@ def test_filter_json_post_data(tmpdir):
         assert b'"id": "secret"' not in cass.requests[0].body
 
 
-def test_filter_callback(tmpdir):
-    url = 'http://httpbin.org/get'
+def test_filter_callback(tmpdir, httpbin):
+    url = httpbin.url + '/get'
     cass_file = str(tmpdir.join('basic_auth_filter.yaml'))
 
     def before_record_cb(request):
@@ -96,8 +96,8 @@ def test_filter_callback(tmpdir):
         assert len(cass) == 0
 
 
-def test_decompress_gzip(tmpdir):
-    url = 'http://httpbin.org/gzip'
+def test_decompress_gzip(tmpdir, httpbin):
+    url = httpbin.url + '/gzip'
     request = Request(url, headers={'Accept-Encoding': ['gzip, deflate']})
     cass_file = str(tmpdir.join('gzip_response.yaml'))
     with vcr.use_cassette(cass_file, decode_compressed_response=True):
@@ -108,8 +108,8 @@ def test_decompress_gzip(tmpdir):
     assert_is_json(decoded_response)
 
 
-def test_decompress_deflate(tmpdir):
-    url = 'http://httpbin.org/deflate'
+def test_decompress_deflate(tmpdir, httpbin):
+    url = httpbin.url + '/deflate'
     request = Request(url, headers={'Accept-Encoding': ['gzip, deflate']})
     cass_file = str(tmpdir.join('deflate_response.yaml'))
     with vcr.use_cassette(cass_file, decode_compressed_response=True):
@@ -120,9 +120,9 @@ def test_decompress_deflate(tmpdir):
     assert_is_json(decoded_response)
 
 
-def test_decompress_regular(tmpdir):
+def test_decompress_regular(tmpdir, httpbin):
     """Test that it doesn't try to decompress content that isn't compressed"""
-    url = 'http://httpbin.org/get'
+    url = httpbin.url + '/get'
     cass_file = str(tmpdir.join('noncompressed_response.yaml'))
     with vcr.use_cassette(cass_file, decode_compressed_response=True):
         urlopen(url)
diff --git a/tests/integration/test_httplib2.py b/tests/integration/test_httplib2.py
index eaa5d75..05a25d3 100644
--- a/tests/integration/test_httplib2.py
+++ b/tests/integration/test_httplib2.py
@@ -4,6 +4,7 @@
 # External imports
 from six.moves.urllib_parse import urlencode
 import pytest
+import pytest_httpbin.certs
 
 # Internal imports
 import vcr
@@ -13,141 +14,141 @@ from assertions import assert_cassette_has_one_response
 httplib2 = pytest.importorskip("httplib2")
 
 
-@pytest.fixture(params=["https", "http"])
-def scheme(request):
+def http():
     """
-    Fixture that returns both http and https
+    Returns an httplib2 HTTP instance
+    with the certificate replaced by the httpbin one.
     """
-    return request.param
+    return httplib2.Http(ca_certs=pytest_httpbin.certs.where())
 
 
-def test_response_code(scheme, tmpdir):
+def test_response_code(tmpdir, httpbin_both):
     '''Ensure we can read a response code from a fetch'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url
     with vcr.use_cassette(str(tmpdir.join('atts.yaml'))):
-        resp, _ = httplib2.Http().request(url)
+        resp, _ = http().request(url)
         code = resp.status
 
     with vcr.use_cassette(str(tmpdir.join('atts.yaml'))):
-        resp, _ = httplib2.Http().request(url)
+        resp, _ = http().request(url)
         assert code == resp.status
 
 
-def test_random_body(scheme, tmpdir):
+def test_random_body(httpbin_both, tmpdir):
     '''Ensure we can read the content, and that it's served from cache'''
-    url = scheme + '://httpbin.org/bytes/1024'
+    url = httpbin_both.url + '/bytes/1024'
     with vcr.use_cassette(str(tmpdir.join('body.yaml'))):
-        _, content = httplib2.Http().request(url)
+        _, content = http().request(url)
         body = content
 
     with vcr.use_cassette(str(tmpdir.join('body.yaml'))):
-        _, content = httplib2.Http().request(url)
+        _, content = http().request(url)
         assert body == content
 
 
-def test_response_headers(scheme, tmpdir):
+def test_response_headers(tmpdir, httpbin_both):
     '''Ensure we can get information from the response'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
-        resp, _ = httplib2.Http().request(url)
+        resp, _ = http().request(url)
         headers = resp.items()
 
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
-        resp, _ = httplib2.Http().request(url)
+        resp, _ = http().request(url)
         assert set(headers) == set(resp.items())
 
 
-def test_effective_url(scheme, tmpdir):
+def test_effective_url(tmpdir, httpbin_both):
     '''Ensure that the effective_url is captured'''
-    url = scheme + '://httpbin.org/redirect-to?url=/html'
+    url = httpbin_both.url + '/redirect-to?url=/html'
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
-        resp, _ = httplib2.Http().request(url)
+        resp, _ = http().request(url)
         effective_url = resp['content-location']
-        assert effective_url == scheme + '://httpbin.org/html'
+        assert effective_url == httpbin_both + '/html'
 
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
-        resp, _ = httplib2.Http().request(url)
+        resp, _ = http().request(url)
         assert effective_url == resp['content-location']
 
 
-def test_multiple_requests(scheme, tmpdir):
+def test_multiple_requests(tmpdir, httpbin_both):
     '''Ensure that we can cache multiple requests'''
     urls = [
-        scheme + '://httpbin.org/',
-        scheme + '://httpbin.org/',
-        scheme + '://httpbin.org/get',
-        scheme + '://httpbin.org/bytes/1024'
+        httpbin_both.url,
+        httpbin_both.url,
+        httpbin_both.url + '/get',
+        httpbin_both.url + '/bytes/1024',
     ]
     with vcr.use_cassette(str(tmpdir.join('multiple.yaml'))) as cass:
-        [httplib2.Http().request(url) for url in urls]
+        [http().request(url) for url in urls]
     assert len(cass) == len(urls)
 
 
-def test_get_data(scheme, tmpdir):
+def test_get_data(tmpdir, httpbin_both):
     '''Ensure that it works with query data'''
     data = urlencode({'some': 1, 'data': 'here'})
-    url = scheme + '://httpbin.org/get?' + data
+    url = httpbin_both.url + '/get?' + data
     with vcr.use_cassette(str(tmpdir.join('get_data.yaml'))):
-        _, res1 = httplib2.Http().request(url)
+        _, res1 = http().request(url)
 
     with vcr.use_cassette(str(tmpdir.join('get_data.yaml'))):
-        _, res2 = httplib2.Http().request(url)
+        _, res2 = http().request(url)
 
     assert res1 == res2
 
 
-def test_post_data(scheme, tmpdir):
+def test_post_data(tmpdir, httpbin_both):
     '''Ensure that it works when posting data'''
     data = urlencode({'some': 1, 'data': 'here'})
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both.url + '/post'
     with vcr.use_cassette(str(tmpdir.join('post_data.yaml'))):
-        _, res1 = httplib2.Http().request(url, "POST", data)
+        _, res1 = http().request(url, "POST", data)
 
     with vcr.use_cassette(str(tmpdir.join('post_data.yaml'))) as cass:
-        _, res2 = httplib2.Http().request(url, "POST", data)
+        _, res2 = http().request(url, "POST", data)
 
     assert res1 == res2
     assert_cassette_has_one_response(cass)
 
 
-def test_post_unicode_data(scheme, tmpdir):
+def test_post_unicode_data(tmpdir, httpbin_both):
     '''Ensure that it works when posting unicode data'''
     data = urlencode({'snowman': u'☃'.encode('utf-8')})
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both.url + '/post'
     with vcr.use_cassette(str(tmpdir.join('post_data.yaml'))):
-        _, res1 = httplib2.Http().request(url, "POST", data)
+        _, res1 = http().request(url, "POST", data)
 
     with vcr.use_cassette(str(tmpdir.join('post_data.yaml'))) as cass:
-        _, res2 = httplib2.Http().request(url, "POST", data)
+        _, res2 = http().request(url, "POST", data)
 
     assert res1 == res2
     assert_cassette_has_one_response(cass)
 
 
-def test_cross_scheme(tmpdir):
+def test_cross_scheme(tmpdir, httpbin, httpbin_secure):
     '''Ensure that requests between schemes are treated separately'''
     # First fetch a url under https, and then again under https and then
     # ensure that we haven't served anything out of cache, and we have two
     # requests / response pairs in the cassette
     with vcr.use_cassette(str(tmpdir.join('cross_scheme.yaml'))) as cass:
-        httplib2.Http().request('https://httpbin.org/')
-        httplib2.Http().request('http://httpbin.org/')
+        http().request(httpbin_secure.url)
+        http().request(httpbin.url)
         assert len(cass) == 2
         assert cass.play_count == 0
 
 
-def test_decorator(scheme, tmpdir):
+def test_decorator(tmpdir, httpbin_both):
     '''Test the decorator version of VCR.py'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url
 
     @vcr.use_cassette(str(tmpdir.join('atts.yaml')))
     def inner1():
-        resp, _ = httplib2.Http().request(url)
+        resp, _ = http().request(url)
         return resp['status']
 
     @vcr.use_cassette(str(tmpdir.join('atts.yaml')))
     def inner2():
-        resp, _ = httplib2.Http().request(url)
+        resp, _ = http().request(url)
         return resp['status']
 
     assert inner1() == inner2()
diff --git a/tests/integration/test_ignore.py b/tests/integration/test_ignore.py
index d32682f..164edb8 100644
--- a/tests/integration/test_ignore.py
+++ b/tests/integration/test_ignore.py
@@ -1,54 +1,73 @@
 from six.moves.urllib.request import urlopen
-
+import socket
+from contextlib import contextmanager
 import vcr
 
 
-def test_ignore_localhost(tmpdir, httpserver):
-    httpserver.serve_content('Hello!')
-    cass_file = str(tmpdir.join('filter_qs.yaml'))
-    with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
-        urlopen(httpserver.url)
-        assert len(cass) == 0
-        urlopen('http://httpbin.org')
-        assert len(cass) == 1
+@contextmanager
+def overridden_dns(overrides):
+    """
+    Monkeypatch socket.getaddrinfo() to override DNS lookups (name will resolve
+    to address)
+    """
+    real_getaddrinfo = socket.getaddrinfo
+
+    def fake_getaddrinfo(*args, **kwargs):
+        if args[0] in overrides:
+            address = overrides[args[0]]
+            return [(2, 1, 6, '', (address, args[1]))]
+        return real_getaddrinfo(*args, **kwargs)
+    socket.getaddrinfo = fake_getaddrinfo
+    yield
+    socket.getaddrinfo = real_getaddrinfo
 
 
-def test_ignore_httpbin(tmpdir, httpserver):
-    httpserver.serve_content('Hello!')
-    cass_file = str(tmpdir.join('filter_qs.yaml'))
-    with vcr.use_cassette(
-        cass_file,
-        ignore_hosts=['httpbin.org']
-    ) as cass:
-        urlopen('http://httpbin.org')
-        assert len(cass) == 0
-        urlopen(httpserver.url)
-        assert len(cass) == 1
+def test_ignore_localhost(tmpdir, httpbin):
+    with overridden_dns({'httpbin.org': '127.0.0.1'}):
+        cass_file = str(tmpdir.join('filter_qs.yaml'))
+        with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
+            urlopen('http://localhost:{0}/'.format(httpbin.port))
+            assert len(cass) == 0
+            urlopen('http://httpbin.org:{0}/'.format(httpbin.port))
+            assert len(cass) == 1
 
 
-def test_ignore_localhost_and_httpbin(tmpdir, httpserver):
-    httpserver.serve_content('Hello!')
-    cass_file = str(tmpdir.join('filter_qs.yaml'))
-    with vcr.use_cassette(
-        cass_file,
-        ignore_hosts=['httpbin.org'],
-        ignore_localhost=True
-    ) as cass:
-        urlopen('http://httpbin.org')
-        urlopen(httpserver.url)
-        assert len(cass) == 0
+def test_ignore_httpbin(tmpdir, httpbin):
+    with overridden_dns({'httpbin.org': '127.0.0.1'}):
+        cass_file = str(tmpdir.join('filter_qs.yaml'))
+        with vcr.use_cassette(
+            cass_file,
+            ignore_hosts=['httpbin.org']
+        ) as cass:
+            urlopen('http://httpbin.org:{0}/'.format(httpbin.port))
+            assert len(cass) == 0
+            urlopen('http://localhost:{0}/'.format(httpbin.port))
+            assert len(cass) == 1
 
 
-def test_ignore_localhost_twice(tmpdir, httpserver):
-    httpserver.serve_content('Hello!')
-    cass_file = str(tmpdir.join('filter_qs.yaml'))
-    with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
-        urlopen(httpserver.url)
-        assert len(cass) == 0
-        urlopen('http://httpbin.org')
-        assert len(cass) == 1
-    with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
-        assert len(cass) == 1
-        urlopen(httpserver.url)
-        urlopen('http://httpbin.org')
-        assert len(cass) == 1
+def test_ignore_localhost_and_httpbin(tmpdir, httpbin):
+    with overridden_dns({'httpbin.org': '127.0.0.1'}):
+        cass_file = str(tmpdir.join('filter_qs.yaml'))
+        with vcr.use_cassette(
+            cass_file,
+            ignore_hosts=['httpbin.org'],
+            ignore_localhost=True
+        ) as cass:
+            urlopen('http://httpbin.org:{0}'.format(httpbin.port))
+            urlopen('http://localhost:{0}'.format(httpbin.port))
+            assert len(cass) == 0
+
+
+def test_ignore_localhost_twice(tmpdir, httpbin):
+    with overridden_dns({'httpbin.org': '127.0.0.1'}):
+        cass_file = str(tmpdir.join('filter_qs.yaml'))
+        with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
+            urlopen('http://localhost:{0}'.format(httpbin.port))
+            assert len(cass) == 0
+            urlopen('http://httpbin.org:{0}'.format(httpbin.port))
+            assert len(cass) == 1
+        with vcr.use_cassette(cass_file, ignore_localhost=True) as cass:
+            assert len(cass) == 1
+            urlopen('http://localhost:{0}'.format(httpbin.port))
+            urlopen('http://httpbin.org:{0}'.format(httpbin.port))
+            assert len(cass) == 1
diff --git a/tests/integration/test_matchers.py b/tests/integration/test_matchers.py
index 396bb40..44cdeb5 100644
--- a/tests/integration/test_matchers.py
+++ b/tests/integration/test_matchers.py
@@ -6,15 +6,21 @@ from six.moves.urllib.request import urlopen
 DEFAULT_URI = 'http://httpbin.org/get?p1=q1&p2=q2'  # base uri for testing
 
 
+def _replace_httpbin(uri, httpbin, httpbin_secure):
+    return uri.replace('http://httpbin.org', httpbin.url).replace('https://httpbin.org', httpbin_secure.url)
+
+
 @pytest.fixture
-def cassette(tmpdir):
+def cassette(tmpdir, httpbin, httpbin_secure):
     """
     Helper fixture used to prepare the cassete
     returns path to the recorded cassette
     """
+    default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
+
     cassette_path = str(tmpdir.join('test.yml'))
     with vcr.use_cassette(cassette_path, record_mode='all'):
-        urlopen(DEFAULT_URI)
+        urlopen(default_uri)
     return cassette_path
 
 
@@ -28,9 +34,6 @@ def cassette(tmpdir):
     ('host',
      'https://httpbin.org/post?a=b',
      'http://google.com/get?p1=q1&p2=q2'),
-    ('port',
-     'https://google.com:80/post?a=b',
-     'http://httpbin.org:5000/get?p1=q1&p2=q2'),
     ('path',
      'https://google.com/get?a=b',
      'http://httpbin.org/post?p1=q1&p2=q2'),
@@ -38,10 +41,15 @@ def cassette(tmpdir):
      'https://google.com/get?p2=q2&p1=q1',
      'http://httpbin.org/get?p1=q1&a=b')
 ])
-def test_matchers(cassette, matcher, matching_uri, not_matching_uri):
+def test_matchers(httpbin, httpbin_secure, cassette, matcher, matching_uri, not_matching_uri):
+
+    matching_uri = _replace_httpbin(matching_uri, httpbin, httpbin_secure)
+    not_matching_uri = _replace_httpbin(not_matching_uri, httpbin, httpbin_secure)
+    default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
+
     # play cassette with default uri
     with vcr.use_cassette(cassette, match_on=[matcher]) as cass:
-        urlopen(DEFAULT_URI)
+        urlopen(default_uri)
         assert cass.play_count == 1
 
     # play cassette with matching on uri
@@ -55,7 +63,9 @@ def test_matchers(cassette, matcher, matching_uri, not_matching_uri):
             urlopen(not_matching_uri)
 
 
-def test_method_matcher(cassette):
+def test_method_matcher(cassette, httpbin, httpbin_secure):
+    default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
+
     # play cassette with matching on method
     with vcr.use_cassette(cassette, match_on=['method']) as cass:
         urlopen('https://google.com/get?a=b')
@@ -65,7 +75,7 @@ def test_method_matcher(cassette):
     with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
         with vcr.use_cassette(cassette, match_on=['method']) as cass:
             # is a POST request
-            urlopen(DEFAULT_URI, data=b'')
+            urlopen(default_uri, data=b'')
 
 
 @pytest.mark.parametrize("uri", [
@@ -73,7 +83,10 @@ def test_method_matcher(cassette):
     'http://httpbin.org/get?p2=q2&p1=q1',
     'http://httpbin.org/get?p2=q2&p1=q1',
 ])
-def test_default_matcher_matches(cassette, uri):
+def test_default_matcher_matches(cassette, uri, httpbin, httpbin_secure):
+
+    uri = _replace_httpbin(uri, httpbin, httpbin_secure)
+
     with vcr.use_cassette(cassette) as cass:
         urlopen(uri)
         assert cass.play_count == 1
@@ -82,18 +95,19 @@ def test_default_matcher_matches(cassette, uri):
 @pytest.mark.parametrize("uri", [
     'https://httpbin.org/get?p1=q1&p2=q2',
     'http://google.com/get?p1=q1&p2=q2',
-    'http://httpbin.org:5000/get?p1=q1&p2=q2',
     'http://httpbin.org/post?p1=q1&p2=q2',
     'http://httpbin.org/get?p1=q1&a=b'
 ])
-def test_default_matcher_does_not_match(cassette, uri):
+def test_default_matcher_does_not_match(cassette, uri, httpbin, httpbin_secure):
+    uri = _replace_httpbin(uri, httpbin, httpbin_secure)
     with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
         with vcr.use_cassette(cassette):
             urlopen(uri)
 
 
-def test_default_matcher_does_not_match_on_method(cassette):
+def test_default_matcher_does_not_match_on_method(cassette, httpbin, httpbin_secure):
+    default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
     with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
         with vcr.use_cassette(cassette):
             # is a POST request
-            urlopen(DEFAULT_URI, data=b'')
+            urlopen(default_uri, data=b'')
diff --git a/tests/integration/test_multiple.py b/tests/integration/test_multiple.py
index db0f2da..fbcedda 100644
--- a/tests/integration/test_multiple.py
+++ b/tests/integration/test_multiple.py
@@ -3,18 +3,18 @@ import vcr
 from six.moves.urllib.request import urlopen
 
 
-def test_making_extra_request_raises_exception(tmpdir):
+def test_making_extra_request_raises_exception(tmpdir, httpbin):
     # make two requests in the first request that are considered
     # identical (since the match is based on method)
     with vcr.use_cassette(str(tmpdir.join('test.json')), match_on=['method']):
-        urlopen('http://httpbin.org/status/200')
-        urlopen('http://httpbin.org/status/201')
+        urlopen(httpbin.url + '/status/200')
+        urlopen(httpbin.url + '/status/201')
 
     # Now, try to make three requests.  The first two should return the
     # correct status codes in order, and the third should raise an
     # exception.
     with vcr.use_cassette(str(tmpdir.join('test.json')), match_on=['method']):
-        assert urlopen('http://httpbin.org/status/200').getcode() == 200
-        assert urlopen('http://httpbin.org/status/201').getcode() == 201
+        assert urlopen(httpbin.url + '/status/200').getcode() == 200
+        assert urlopen(httpbin.url + '/status/201').getcode() == 201
         with pytest.raises(Exception):
-            urlopen('http://httpbin.org/status/200')
+            urlopen(httpbin.url + '/status/200')
diff --git a/tests/integration/test_record_mode.py b/tests/integration/test_record_mode.py
index 5d9b603..f697bcc 100644
--- a/tests/integration/test_record_mode.py
+++ b/tests/integration/test_record_mode.py
@@ -3,62 +3,62 @@ import vcr
 from six.moves.urllib.request import urlopen
 
 
-def test_once_record_mode(tmpdir):
+def test_once_record_mode(tmpdir, httpbin):
     testfile = str(tmpdir.join('recordmode.yml'))
     with vcr.use_cassette(testfile, record_mode="once"):
         # cassette file doesn't exist, so create.
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
 
     with vcr.use_cassette(testfile, record_mode="once"):
         # make the same request again
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
 
         # the first time, it's played from the cassette.
         # but, try to access something else from the same cassette, and an
         # exception is raised.
         with pytest.raises(Exception):
-            urlopen('http://httpbin.org/get').read()
+            urlopen(httpbin.url + '/get').read()
 
 
-def test_once_record_mode_two_times(tmpdir):
+def test_once_record_mode_two_times(tmpdir, httpbin):
     testfile = str(tmpdir.join('recordmode.yml'))
     with vcr.use_cassette(testfile, record_mode="once"):
         # get two of the same file
-        urlopen('http://httpbin.org/').read()
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
+        urlopen(httpbin.url).read()
 
     with vcr.use_cassette(testfile, record_mode="once"):
         # do it again
-        urlopen('http://httpbin.org/').read()
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
+        urlopen(httpbin.url).read()
 
 
-def test_once_mode_three_times(tmpdir):
+def test_once_mode_three_times(tmpdir, httpbin):
     testfile = str(tmpdir.join('recordmode.yml'))
     with vcr.use_cassette(testfile, record_mode="once"):
         # get three of the same file
-        urlopen('http://httpbin.org/').read()
-        urlopen('http://httpbin.org/').read()
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
+        urlopen(httpbin.url).read()
+        urlopen(httpbin.url).read()
 
 
-def test_new_episodes_record_mode(tmpdir):
+def test_new_episodes_record_mode(tmpdir, httpbin):
     testfile = str(tmpdir.join('recordmode.yml'))
 
     with vcr.use_cassette(testfile, record_mode="new_episodes"):
         # cassette file doesn't exist, so create.
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
 
     with vcr.use_cassette(testfile, record_mode="new_episodes") as cass:
         # make the same request again
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
 
         # all responses have been played
         assert cass.all_played
 
         # in the "new_episodes" record mode, we can add more requests to
         # a cassette without repurcussions.
-        urlopen('http://httpbin.org/get').read()
+        urlopen(httpbin.url + '/get').read()
 
         # one of the responses has been played
         assert cass.play_count == 1
@@ -71,9 +71,9 @@ def test_new_episodes_record_mode(tmpdir):
         assert len(cass.responses) == 2
 
 
-def test_new_episodes_record_mode_two_times(tmpdir):
+def test_new_episodes_record_mode_two_times(tmpdir, httpbin):
     testfile = str(tmpdir.join('recordmode.yml'))
-    url = 'http://httpbin.org/bytes/1024'
+    url = httpbin.url + '/bytes/1024'
     with vcr.use_cassette(testfile, record_mode="new_episodes"):
         # cassette file doesn't exist, so create.
         original_first_response = urlopen(url).read()
@@ -96,12 +96,12 @@ def test_new_episodes_record_mode_two_times(tmpdir):
             urlopen(url).read()
 
 
-def test_all_record_mode(tmpdir):
+def test_all_record_mode(tmpdir, httpbin):
     testfile = str(tmpdir.join('recordmode.yml'))
 
     with vcr.use_cassette(testfile, record_mode="all"):
         # cassette file doesn't exist, so create.
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
 
     with vcr.use_cassette(testfile, record_mode="all") as cass:
         # make the same request again
@@ -109,7 +109,7 @@ def test_all_record_mode(tmpdir):
 
         # in the "all" record mode, we can add more requests to
         # a cassette without repurcussions.
-        urlopen('http://httpbin.org/get').read()
+        urlopen(httpbin.url + '/get').read()
 
         # The cassette was never actually played, even though it existed.
         # that's because, in "all" mode, the requests all go directly to
@@ -117,26 +117,26 @@ def test_all_record_mode(tmpdir):
         assert cass.play_count == 0
 
 
-def test_none_record_mode(tmpdir):
+def test_none_record_mode(tmpdir, httpbin):
     # Cassette file doesn't exist, yet we are trying to make a request.
     # raise hell.
     testfile = str(tmpdir.join('recordmode.yml'))
     with vcr.use_cassette(testfile, record_mode="none"):
         with pytest.raises(Exception):
-            urlopen('http://httpbin.org/').read()
+            urlopen(httpbin.url).read()
 
 
-def test_none_record_mode_with_existing_cassette(tmpdir):
+def test_none_record_mode_with_existing_cassette(tmpdir, httpbin):
     # create a cassette file
     testfile = str(tmpdir.join('recordmode.yml'))
 
     with vcr.use_cassette(testfile, record_mode="all"):
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
 
     # play from cassette file
     with vcr.use_cassette(testfile, record_mode="none") as cass:
-        urlopen('http://httpbin.org/').read()
+        urlopen(httpbin.url).read()
         assert cass.play_count == 1
         # but if I try to hit the net, raise an exception.
         with pytest.raises(Exception):
-            urlopen('http://httpbin.org/get').read()
+            urlopen(httpbin.url + '/get').read()
diff --git a/tests/integration/test_register_matcher.py b/tests/integration/test_register_matcher.py
index ed83afd..ed189f8 100644
--- a/tests/integration/test_register_matcher.py
+++ b/tests/integration/test_register_matcher.py
@@ -10,27 +10,27 @@ def false_matcher(r1, r2):
     return False
 
 
-def test_registered_true_matcher(tmpdir):
+def test_registered_true_matcher(tmpdir, httpbin):
     my_vcr = vcr.VCR()
     my_vcr.register_matcher('true', true_matcher)
     testfile = str(tmpdir.join('test.yml'))
     with my_vcr.use_cassette(testfile, match_on=['true']):
         # These 2 different urls are stored as the same request
-        urlopen('http://httpbin.org/')
-        urlopen('https://httpbin.org/get')
+        urlopen(httpbin.url)
+        urlopen(httpbin.url + '/get')
 
     with my_vcr.use_cassette(testfile, match_on=['true']):
         # I can get the response twice even though I only asked for it once
-        urlopen('http://httpbin.org/get')
-        urlopen('https://httpbin.org/get')
+        urlopen(httpbin.url + '/get')
+        urlopen(httpbin.url + '/get')
 
 
-def test_registered_false_matcher(tmpdir):
+def test_registered_false_matcher(tmpdir, httpbin):
     my_vcr = vcr.VCR()
     my_vcr.register_matcher('false', false_matcher)
     testfile = str(tmpdir.join('test.yml'))
     with my_vcr.use_cassette(testfile, match_on=['false']) as cass:
         # These 2 different urls are stored as different requests
-        urlopen('http://httpbin.org/')
-        urlopen('https://httpbin.org/get')
+        urlopen(httpbin.url)
+        urlopen(httpbin.url + '/get')
         assert len(cass) == 2
diff --git a/tests/integration/test_request.py b/tests/integration/test_request.py
index cbb6242..c2e034b 100644
--- a/tests/integration/test_request.py
+++ b/tests/integration/test_request.py
@@ -2,21 +2,18 @@ import vcr
 from six.moves.urllib.request import urlopen
 
 
-def test_recorded_request_uri_with_redirected_request(tmpdir):
+def test_recorded_request_uri_with_redirected_request(tmpdir, httpbin):
     with vcr.use_cassette(str(tmpdir.join('test.yml'))) as cass:
         assert len(cass) == 0
-        urlopen('http://httpbin.org/redirect/3')
-        assert cass.requests[0].uri == 'http://httpbin.org/redirect/3'
-        assert cass.requests[3].uri == 'http://httpbin.org/get'
+        urlopen(httpbin.url + '/redirect/3')
+        assert cass.requests[0].uri == httpbin.url + '/redirect/3'
+        assert cass.requests[3].uri == httpbin.url + '/get'
         assert len(cass) == 4
 
 
-def test_records_multiple_header_values(tmpdir, httpserver):
-    httpserver.serve_content('Hello!', headers=[('foo', 'bar'), ('foo', 'baz')])
-
+def test_records_multiple_header_values(tmpdir, httpbin):
     with vcr.use_cassette(str(tmpdir.join('test.yml'))) as cass:
         assert len(cass) == 0
-
-        urlopen(httpserver.url)
+        urlopen(httpbin.url + '/response-headers?foo=bar&foo=baz')
         assert len(cass) == 1
         assert cass.responses[0]['headers']['foo'] == ['bar', 'baz']
diff --git a/tests/integration/test_requests.py b/tests/integration/test_requests.py
index 117e92e..84a992b 100644
--- a/tests/integration/test_requests.py
+++ b/tests/integration/test_requests.py
@@ -8,15 +8,9 @@ from assertions import assert_cassette_empty, assert_is_json
 requests = pytest.importorskip("requests")
 
 
-@pytest.fixture(params=["https", "http"])
-def scheme(request):
-    '''Fixture that returns both http and https.'''
-    return request.param
-
-
-def test_status_code(scheme, tmpdir):
+def test_status_code(httpbin_both, tmpdir):
     '''Ensure that we can read the status code'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url + '/'
     with vcr.use_cassette(str(tmpdir.join('atts.yaml'))):
         status_code = requests.get(url).status_code
 
@@ -24,9 +18,9 @@ def test_status_code(scheme, tmpdir):
         assert status_code == requests.get(url).status_code
 
 
-def test_headers(scheme, tmpdir):
+def test_headers(httpbin_both, tmpdir):
     '''Ensure that we can read the headers back'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both + '/'
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
         headers = requests.get(url).headers
 
@@ -34,9 +28,9 @@ def test_headers(scheme, tmpdir):
         assert headers == requests.get(url).headers
 
 
-def test_body(tmpdir, scheme):
+def test_body(tmpdir, httpbin_both):
     '''Ensure the responses are all identical enough'''
-    url = scheme + '://httpbin.org/bytes/1024'
+    url = httpbin_both + '/bytes/1024'
     with vcr.use_cassette(str(tmpdir.join('body.yaml'))):
         content = requests.get(url).content
 
@@ -44,21 +38,21 @@ def test_body(tmpdir, scheme):
         assert content == requests.get(url).content
 
 
-def test_effective_url(scheme, tmpdir):
+def test_effective_url(tmpdir, httpbin_both):
     '''Ensure that the effective_url is captured'''
-    url = scheme + '://httpbin.org/redirect-to?url=/html'
+    url = httpbin_both.url + '/redirect-to?url=/html'
     with vcr.use_cassette(str(tmpdir.join('url.yaml'))):
         effective_url = requests.get(url).url
-        assert effective_url == scheme + '://httpbin.org/html'
+        assert effective_url == httpbin_both.url + '/html'
 
     with vcr.use_cassette(str(tmpdir.join('url.yaml'))):
         assert effective_url == requests.get(url).url
 
 
-def test_auth(tmpdir, scheme):
+def test_auth(tmpdir, httpbin_both):
     '''Ensure that we can handle basic auth'''
     auth = ('user', 'passwd')
-    url = scheme + '://httpbin.org/basic-auth/user/passwd'
+    url = httpbin_both + '/basic-auth/user/passwd'
     with vcr.use_cassette(str(tmpdir.join('auth.yaml'))):
         one = requests.get(url, auth=auth)
 
@@ -68,10 +62,10 @@ def test_auth(tmpdir, scheme):
         assert one.status_code == two.status_code
 
 
-def test_auth_failed(tmpdir, scheme):
+def test_auth_failed(tmpdir, httpbin_both):
     '''Ensure that we can save failed auth statuses'''
     auth = ('user', 'wrongwrongwrong')
-    url = scheme + '://httpbin.org/basic-auth/user/passwd'
+    url = httpbin_both + '/basic-auth/user/passwd'
     with vcr.use_cassette(str(tmpdir.join('auth-failed.yaml'))) as cass:
         # Ensure that this is empty to begin with
         assert_cassette_empty(cass)
@@ -81,10 +75,10 @@ def test_auth_failed(tmpdir, scheme):
         assert one.status_code == two.status_code == 401
 
 
-def test_post(tmpdir, scheme):
+def test_post(tmpdir, httpbin_both):
     '''Ensure that we can post and cache the results'''
     data = {'key1': 'value1', 'key2': 'value2'}
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both + '/post'
     with vcr.use_cassette(str(tmpdir.join('requests.yaml'))):
         req1 = requests.post(url, data).content
 
@@ -94,11 +88,11 @@ def test_post(tmpdir, scheme):
     assert req1 == req2
 
 
-def test_post_chunked_binary(tmpdir, scheme):
+def test_post_chunked_binary(tmpdir, httpbin_both):
     '''Ensure that we can send chunked binary without breaking while trying to concatenate bytes with str.'''
     data1 = iter([b'data', b'to', b'send'])
     data2 = iter([b'data', b'to', b'send'])
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both.url + '/post'
     with vcr.use_cassette(str(tmpdir.join('requests.yaml'))):
         req1 = requests.post(url, data1).content
         print(req1)
@@ -109,9 +103,9 @@ def test_post_chunked_binary(tmpdir, scheme):
     assert req1 == req2
 
 
-def test_redirects(tmpdir, scheme):
+def test_redirects(tmpdir, httpbin_both):
     '''Ensure that we can handle redirects'''
-    url = scheme + '://httpbin.org/redirect-to?url=bytes/1024'
+    url = httpbin_both + '/redirect-to?url=bytes/1024'
     with vcr.use_cassette(str(tmpdir.join('requests.yaml'))):
         content = requests.get(url).content
 
@@ -123,24 +117,24 @@ def test_redirects(tmpdir, scheme):
         assert cass.play_count == 2
 
 
-def test_cross_scheme(tmpdir, scheme):
+def test_cross_scheme(tmpdir, httpbin_secure, httpbin):
     '''Ensure that requests between schemes are treated separately'''
     # First fetch a url under http, and then again under https and then
     # ensure that we haven't served anything out of cache, and we have two
     # requests / response pairs in the cassette
     with vcr.use_cassette(str(tmpdir.join('cross_scheme.yaml'))) as cass:
-        requests.get('https://httpbin.org/')
-        requests.get('http://httpbin.org/')
+        requests.get(httpbin_secure + '/')
+        requests.get(httpbin + '/')
         assert cass.play_count == 0
         assert len(cass) == 2
 
 
-def test_gzip(tmpdir, scheme):
+def test_gzip(tmpdir, httpbin_both):
     '''
     Ensure that requests (actually urllib3) is able to automatically decompress
     the response body
     '''
-    url = scheme + '://httpbin.org/gzip'
+    url = httpbin_both + '/gzip'
     response = requests.get(url)
 
     with vcr.use_cassette(str(tmpdir.join('gzip.yaml'))):
@@ -151,7 +145,7 @@ def test_gzip(tmpdir, scheme):
         assert_is_json(response.content)
 
 
-def test_session_and_connection_close(tmpdir, scheme):
+def test_session_and_connection_close(tmpdir, httpbin):
     '''
     This tests the issue in https://github.com/kevin1024/vcrpy/issues/48
 
@@ -162,29 +156,29 @@ def test_session_and_connection_close(tmpdir, scheme):
     with vcr.use_cassette(str(tmpdir.join('session_connection_closed.yaml'))):
         session = requests.session()
 
-        session.get('http://httpbin.org/get', headers={'Connection': 'close'})
-        session.get('http://httpbin.org/get', headers={'Connection': 'close'})
+        session.get(httpbin + '/get', headers={'Connection': 'close'})
+        session.get(httpbin + '/get', headers={'Connection': 'close'})
 
 
-def test_https_with_cert_validation_disabled(tmpdir):
+def test_https_with_cert_validation_disabled(tmpdir, httpbin_secure):
     with vcr.use_cassette(str(tmpdir.join('cert_validation_disabled.yaml'))):
-        requests.get('https://httpbin.org', verify=False)
+        requests.get(httpbin_secure.url, verify=False)
 
 
-def test_session_can_make_requests_after_requests_unpatched(tmpdir):
+def test_session_can_make_requests_after_requests_unpatched(tmpdir, httpbin):
     with vcr.use_cassette(str(tmpdir.join('test_session_after_unpatched.yaml'))):
         session = requests.session()
-        session.get('http://httpbin.org/get')
+        session.get(httpbin + '/get')
 
     with vcr.use_cassette(str(tmpdir.join('test_session_after_unpatched.yaml'))):
         session = requests.session()
-        session.get('http://httpbin.org/get')
+        session.get(httpbin + '/get')
 
-    session.get('http://httpbin.org/status/200')
+    session.get(httpbin + '/status/200')
 
 
-def test_session_created_before_use_cassette_is_patched(tmpdir, scheme):
-    url = scheme + '://httpbin.org/bytes/1024'
+def test_session_created_before_use_cassette_is_patched(tmpdir, httpbin_both):
+    url = httpbin_both + '/bytes/1024'
     # Record arbitrary, random data to the cassette
     with vcr.use_cassette(str(tmpdir.join('session_created_outside.yaml'))):
         session = requests.session()
@@ -193,20 +187,20 @@ def test_session_created_before_use_cassette_is_patched(tmpdir, scheme):
     # Create a session outside of any cassette context manager
     session = requests.session()
     # Make a request to make sure that a connectionpool is instantiated
-    session.get(scheme + '://httpbin.org/get')
+    session.get(httpbin_both + '/get')
 
     with vcr.use_cassette(str(tmpdir.join('session_created_outside.yaml'))):
         # These should only be the same if the patching succeeded.
         assert session.get(url).content == body
 
 
-def test_nested_cassettes_with_session_created_before_nesting(scheme, tmpdir):
+def test_nested_cassettes_with_session_created_before_nesting(httpbin_both, tmpdir):
     '''
     This tests ensures that a session that was created while one cassette was
     active is patched to the use the responses of a second cassette when it
     is enabled.
     '''
-    url = scheme + '://httpbin.org/bytes/1024'
+    url = httpbin_both + '/bytes/1024'
     with vcr.use_cassette(str(tmpdir.join('first_nested.yaml'))):
         session = requests.session()
         first_body = session.get(url).content
@@ -222,12 +216,12 @@ def test_nested_cassettes_with_session_created_before_nesting(scheme, tmpdir):
         assert session.get(url).content == third_body
 
     # Make sure that the session can now get content normally.
-    session.get('http://www.reddit.com')
+    assert 'User-agent' in session.get(httpbin_both.url + '/robots.txt').text
 
 
-def test_post_file(tmpdir, scheme):
+def test_post_file(tmpdir, httpbin_both):
     '''Ensure that we handle posting a file.'''
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both + '/post'
     with vcr.use_cassette(str(tmpdir.join('post_file.yaml'))) as cass:
         # Don't use 2.7+ only style ',' separated with here because we support python 2.6
         with open('tox.ini') as f:
@@ -244,7 +238,7 @@ def test_post_file(tmpdir, scheme):
         assert original_response == new_response
 
 
-def test_filter_post_params(tmpdir, scheme):
+def test_filter_post_params(tmpdir, httpbin_both):
     '''
     This tests the issue in https://github.com/kevin1024/vcrpy/issues/158
 
@@ -252,7 +246,7 @@ def test_filter_post_params(tmpdir, scheme):
     with vcr.use_cassette(cass_file, filter_post_data_parameters=['id']) as cass:
         assert b'id=secret' not in cass.requests[0].body
     '''
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both.url + '/post'
     cass_loc = str(tmpdir.join('filter_post_params.yaml'))
     with vcr.use_cassette(cass_loc, filter_post_data_parameters=['key']) as cass:
         requests.post(url, data={'key': 'value'})
diff --git a/tests/integration/test_stubs.py b/tests/integration/test_stubs.py
index 2b069ea..aa40004 100644
--- a/tests/integration/test_stubs.py
+++ b/tests/integration/test_stubs.py
@@ -2,45 +2,45 @@ import vcr
 import six.moves.http_client as httplib
 
 
-def _headers_are_case_insensitive():
-    conn = httplib.HTTPConnection('httpbin.org')
+def _headers_are_case_insensitive(host, port):
+    conn = httplib.HTTPConnection(host, port)
     conn.request('GET', "/cookies/set?k1=v1")
     r1 = conn.getresponse()
     cookie_data1 = r1.getheader('set-cookie')
-    conn = httplib.HTTPConnection('httpbin.org')
+    conn = httplib.HTTPConnection(host, port)
     conn.request('GET', "/cookies/set?k1=v1")
     r2 = conn.getresponse()
     cookie_data2 = r2.getheader('Set-Cookie')
     return cookie_data1 == cookie_data2
 
 
-def test_case_insensitivity(tmpdir):
+def test_case_insensitivity(tmpdir, httpbin):
     testfile = str(tmpdir.join('case_insensitivity.yml'))
     # check if headers are case insensitive outside of vcrpy
-    outside = _headers_are_case_insensitive()
+    host, port = httpbin.host, httpbin.port
+    outside = _headers_are_case_insensitive(host, port)
     with vcr.use_cassette(testfile):
         # check if headers are case insensitive inside of vcrpy
-        inside = _headers_are_case_insensitive()
+        inside = _headers_are_case_insensitive(host, port)
         # check if headers are case insensitive after vcrpy deserializes headers
-        inside2 = _headers_are_case_insensitive()
+        inside2 = _headers_are_case_insensitive(host, port)
 
     # behavior should be the same both inside and outside
     assert outside == inside == inside2
 
 
-def _multiple_header_value(httpserver):
-    conn = httplib.HTTPConnection('%s:%s' % httpserver.server_address)
-    conn.request('GET', "/")
+def _multiple_header_value(httpbin):
+    conn = httplib.HTTPConnection(httpbin.host, httpbin.port)
+    conn.request('GET', "/response-headers?foo=bar&foo=baz")
     r = conn.getresponse()
     return r.getheader('foo')
 
 
-def test_multiple_headers(tmpdir, httpserver):
+def test_multiple_headers(tmpdir, httpbin):
     testfile = str(tmpdir.join('multiple_headers.yaml'))
-    httpserver.serve_content('Hello!', headers=[('foo', 'bar'), ('foo', 'baz')])
-    outside = _multiple_header_value(httpserver)
+    outside = _multiple_header_value(httpbin)
 
     with vcr.use_cassette(testfile):
-        inside = _multiple_header_value(httpserver)
+        inside = _multiple_header_value(httpbin)
 
     assert outside == inside
diff --git a/tests/integration/test_urllib2.py b/tests/integration/test_urllib2.py
index be1adc4..8a633ba 100644
--- a/tests/integration/test_urllib2.py
+++ b/tests/integration/test_urllib2.py
@@ -1,9 +1,9 @@
 # -*- coding: utf-8 -*-
 '''Integration tests with urllib2'''
 
-import pytest
 from six.moves.urllib.request import urlopen
 from six.moves.urllib_parse import urlencode
+import pytest_httpbin.certs
 
 # Internal imports
 import vcr
@@ -11,135 +11,136 @@ import vcr
 from assertions import assert_cassette_has_one_response
 
 
-@pytest.fixture(params=["https", "http"])
-def scheme(request):
-    """
-    Fixture that returns both http and https
-    """
-    return request.param
+def urlopen_with_cafile(*args, **kwargs):
+    kwargs['cafile'] = pytest_httpbin.certs.where()
+    try:
+        return urlopen(*args, **kwargs)
+    except TypeError:
+        # python2/pypi don't let us override this
+        del kwargs['cafile']
+        return urlopen(*args, **kwargs)
 
 
-def test_response_code(scheme, tmpdir):
+def test_response_code(httpbin_both, tmpdir):
     '''Ensure we can read a response code from a fetch'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url
     with vcr.use_cassette(str(tmpdir.join('atts.yaml'))):
-        code = urlopen(url).getcode()
+        code = urlopen_with_cafile(url).getcode()
 
     with vcr.use_cassette(str(tmpdir.join('atts.yaml'))):
-        assert code == urlopen(url).getcode()
+        assert code == urlopen_with_cafile(url).getcode()
 
 
-def test_random_body(scheme, tmpdir):
+def test_random_body(httpbin_both, tmpdir):
     '''Ensure we can read the content, and that it's served from cache'''
-    url = scheme + '://httpbin.org/bytes/1024'
+    url = httpbin_both.url + '/bytes/1024'
     with vcr.use_cassette(str(tmpdir.join('body.yaml'))):
-        body = urlopen(url).read()
+        body = urlopen_with_cafile(url).read()
 
     with vcr.use_cassette(str(tmpdir.join('body.yaml'))):
-        assert body == urlopen(url).read()
+        assert body == urlopen_with_cafile(url).read()
 
 
-def test_response_headers(scheme, tmpdir):
+def test_response_headers(httpbin_both, tmpdir):
     '''Ensure we can get information from the response'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
-        open1 = urlopen(url).info().items()
+        open1 = urlopen_with_cafile(url).info().items()
 
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
-        open2 = urlopen(url).info().items()
+        open2 = urlopen_with_cafile(url).info().items()
 
         assert sorted(open1) == sorted(open2)
 
 
-def test_effective_url(scheme, tmpdir):
+def test_effective_url(httpbin_both, tmpdir):
     '''Ensure that the effective_url is captured'''
-    url = scheme + '://httpbin.org/redirect-to?url=/html'
+    url = httpbin_both.url + '/redirect-to?url=/html'
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
-        effective_url = urlopen(url).geturl()
-        assert effective_url == scheme + '://httpbin.org/html'
+        effective_url = urlopen_with_cafile(url).geturl()
+        assert effective_url == httpbin_both.url + '/html'
 
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
-        assert effective_url == urlopen(url).geturl()
+        assert effective_url == urlopen_with_cafile(url).geturl()
 
 
-def test_multiple_requests(scheme, tmpdir):
+def test_multiple_requests(httpbin_both, tmpdir):
     '''Ensure that we can cache multiple requests'''
     urls = [
-        scheme + '://httpbin.org/',
-        scheme + '://httpbin.org/',
-        scheme + '://httpbin.org/get',
-        scheme + '://httpbin.org/bytes/1024'
+        httpbin_both.url,
+        httpbin_both.url,
+        httpbin_both.url + '/get',
+        httpbin_both.url + '/bytes/1024',
     ]
     with vcr.use_cassette(str(tmpdir.join('multiple.yaml'))) as cass:
-        [urlopen(url) for url in urls]
+        [urlopen_with_cafile(url) for url in urls]
     assert len(cass) == len(urls)
 
 
-def test_get_data(scheme, tmpdir):
+def test_get_data(httpbin_both, tmpdir):
     '''Ensure that it works with query data'''
     data = urlencode({'some': 1, 'data': 'here'})
-    url = scheme + '://httpbin.org/get?' + data
+    url = httpbin_both.url + '/get?' + data
     with vcr.use_cassette(str(tmpdir.join('get_data.yaml'))):
-        res1 = urlopen(url).read()
+        res1 = urlopen_with_cafile(url).read()
 
     with vcr.use_cassette(str(tmpdir.join('get_data.yaml'))):
-        res2 = urlopen(url).read()
-
+        res2 = urlopen_with_cafile(url).read()
     assert res1 == res2
 
 
-def test_post_data(scheme, tmpdir):
+def test_post_data(httpbin_both, tmpdir):
     '''Ensure that it works when posting data'''
     data = urlencode({'some': 1, 'data': 'here'}).encode('utf-8')
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both.url + '/post'
     with vcr.use_cassette(str(tmpdir.join('post_data.yaml'))):
-        res1 = urlopen(url, data).read()
+        res1 = urlopen_with_cafile(url, data).read()
 
     with vcr.use_cassette(str(tmpdir.join('post_data.yaml'))) as cass:
-        res2 = urlopen(url, data).read()
+        res2 = urlopen_with_cafile(url, data).read()
         assert len(cass) == 1
 
     assert res1 == res2
     assert_cassette_has_one_response(cass)
 
 
-def test_post_unicode_data(scheme, tmpdir):
+def test_post_unicode_data(httpbin_both, tmpdir):
     '''Ensure that it works when posting unicode data'''
     data = urlencode({'snowman': u'☃'.encode('utf-8')}).encode('utf-8')
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both.url + '/post'
     with vcr.use_cassette(str(tmpdir.join('post_data.yaml'))):
-        res1 = urlopen(url, data).read()
+        res1 = urlopen_with_cafile(url, data).read()
 
     with vcr.use_cassette(str(tmpdir.join('post_data.yaml'))) as cass:
-        res2 = urlopen(url, data).read()
+        res2 = urlopen_with_cafile(url, data).read()
         assert len(cass) == 1
 
     assert res1 == res2
     assert_cassette_has_one_response(cass)
 
 
-def test_cross_scheme(tmpdir):
+def test_cross_scheme(tmpdir, httpbin_secure, httpbin):
     '''Ensure that requests between schemes are treated separately'''
     # First fetch a url under https, and then again under https and then
     # ensure that we haven't served anything out of cache, and we have two
     # requests / response pairs in the cassette
     with vcr.use_cassette(str(tmpdir.join('cross_scheme.yaml'))) as cass:
-        urlopen('https://httpbin.org/')
-        urlopen('http://httpbin.org/')
+        urlopen_with_cafile(httpbin_secure.url)
+        urlopen_with_cafile(httpbin.url)
         assert len(cass) == 2
         assert cass.play_count == 0
 
 
-def test_decorator(scheme, tmpdir):
+def test_decorator(httpbin_both, tmpdir):
     '''Test the decorator version of VCR.py'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url
 
     @vcr.use_cassette(str(tmpdir.join('atts.yaml')))
     def inner1():
-        return urlopen(url).getcode()
+        return urlopen_with_cafile(url).getcode()
 
     @vcr.use_cassette(str(tmpdir.join('atts.yaml')))
     def inner2():
-        return urlopen(url).getcode()
+        return urlopen_with_cafile(url).getcode()
 
     assert inner1() == inner2()
diff --git a/tests/integration/test_urllib3.py b/tests/integration/test_urllib3.py
index 2a3665c..0c02c40 100644
--- a/tests/integration/test_urllib3.py
+++ b/tests/integration/test_urllib3.py
@@ -3,25 +3,17 @@
 # coding=utf-8
 
 import pytest
+import pytest_httpbin
 import vcr
 from assertions import assert_cassette_empty, assert_is_json
-certifi = pytest.importorskip("certifi")
 urllib3 = pytest.importorskip("urllib3")
 
 
-@pytest.fixture(params=["https", "http"])
-def scheme(request):
-    """
-    Fixture that returns both http and https
-    """
-    return request.param
-
-
 @pytest.fixture(scope='module')
 def verify_pool_mgr():
     return urllib3.PoolManager(
         cert_reqs='CERT_REQUIRED',  # Force certificate check.
-        ca_certs=certifi.where()
+        ca_certs=pytest_httpbin.certs.where()
     )
 
 
@@ -30,9 +22,9 @@ def pool_mgr():
     return urllib3.PoolManager()
 
 
-def test_status_code(scheme, tmpdir, verify_pool_mgr):
+def test_status_code(httpbin_both, tmpdir, verify_pool_mgr):
     '''Ensure that we can read the status code'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url
     with vcr.use_cassette(str(tmpdir.join('atts.yaml'))):
         status_code = verify_pool_mgr.request('GET', url).status
 
@@ -40,9 +32,9 @@ def test_status_code(scheme, tmpdir, verify_pool_mgr):
         assert status_code == verify_pool_mgr.request('GET', url).status
 
 
-def test_headers(scheme, tmpdir, verify_pool_mgr):
+def test_headers(tmpdir, httpbin_both, verify_pool_mgr):
     '''Ensure that we can read the headers back'''
-    url = scheme + '://httpbin.org/'
+    url = httpbin_both.url
     with vcr.use_cassette(str(tmpdir.join('headers.yaml'))):
         headers = verify_pool_mgr.request('GET', url).headers
 
@@ -50,9 +42,9 @@ def test_headers(scheme, tmpdir, verify_pool_mgr):
         assert headers == verify_pool_mgr.request('GET', url).headers
 
 
-def test_body(tmpdir, scheme, verify_pool_mgr):
+def test_body(tmpdir, httpbin_both, verify_pool_mgr):
     '''Ensure the responses are all identical enough'''
-    url = scheme + '://httpbin.org/bytes/1024'
+    url = httpbin_both.url + '/bytes/1024'
     with vcr.use_cassette(str(tmpdir.join('body.yaml'))):
         content = verify_pool_mgr.request('GET', url).data
 
@@ -60,11 +52,11 @@ def test_body(tmpdir, scheme, verify_pool_mgr):
         assert content == verify_pool_mgr.request('GET', url).data
 
 
-def test_auth(tmpdir, scheme, verify_pool_mgr):
+def test_auth(tmpdir, httpbin_both, verify_pool_mgr):
     '''Ensure that we can handle basic auth'''
     auth = ('user', 'passwd')
     headers = urllib3.util.make_headers(basic_auth='{0}:{1}'.format(*auth))
-    url = scheme + '://httpbin.org/basic-auth/user/passwd'
+    url = httpbin_both.url + '/basic-auth/user/passwd'
     with vcr.use_cassette(str(tmpdir.join('auth.yaml'))):
         one = verify_pool_mgr.request('GET', url, headers=headers)
 
@@ -74,11 +66,11 @@ def test_auth(tmpdir, scheme, verify_pool_mgr):
         assert one.status == two.status
 
 
-def test_auth_failed(tmpdir, scheme, verify_pool_mgr):
+def test_auth_failed(tmpdir, httpbin_both, verify_pool_mgr):
     '''Ensure that we can save failed auth statuses'''
     auth = ('user', 'wrongwrongwrong')
     headers = urllib3.util.make_headers(basic_auth='{0}:{1}'.format(*auth))
-    url = scheme + '://httpbin.org/basic-auth/user/passwd'
+    url = httpbin_both.url + '/basic-auth/user/passwd'
     with vcr.use_cassette(str(tmpdir.join('auth-failed.yaml'))) as cass:
         # Ensure that this is empty to begin with
         assert_cassette_empty(cass)
@@ -88,10 +80,10 @@ def test_auth_failed(tmpdir, scheme, verify_pool_mgr):
         assert one.status == two.status == 401
 
 
-def test_post(tmpdir, scheme, verify_pool_mgr):
+def test_post(tmpdir, httpbin_both, verify_pool_mgr):
     '''Ensure that we can post and cache the results'''
     data = {'key1': 'value1', 'key2': 'value2'}
-    url = scheme + '://httpbin.org/post'
+    url = httpbin_both.url + '/post'
     with vcr.use_cassette(str(tmpdir.join('verify_pool_mgr.yaml'))):
         req1 = verify_pool_mgr.request('POST', url, data).data
 
@@ -101,9 +93,9 @@ def test_post(tmpdir, scheme, verify_pool_mgr):
     assert req1 == req2
 
 
-def test_redirects(tmpdir, scheme, verify_pool_mgr):
+def test_redirects(tmpdir, httpbin_both, verify_pool_mgr):
     '''Ensure that we can handle redirects'''
-    url = scheme + '://httpbin.org/redirect-to?url=bytes/1024'
+    url = httpbin_both.url + '/redirect-to?url=bytes/1024'
     with vcr.use_cassette(str(tmpdir.join('verify_pool_mgr.yaml'))):
         content = verify_pool_mgr.request('GET', url).data
 
@@ -115,24 +107,24 @@ def test_redirects(tmpdir, scheme, verify_pool_mgr):
         assert cass.play_count == 2
 
 
-def test_cross_scheme(tmpdir, scheme, verify_pool_mgr):
+def test_cross_scheme(tmpdir, httpbin, httpbin_secure, verify_pool_mgr):
     '''Ensure that requests between schemes are treated separately'''
     # First fetch a url under http, and then again under https and then
     # ensure that we haven't served anything out of cache, and we have two
     # requests / response pairs in the cassette
     with vcr.use_cassette(str(tmpdir.join('cross_scheme.yaml'))) as cass:
-        verify_pool_mgr.request('GET', 'https://httpbin.org/')
-        verify_pool_mgr.request('GET', 'http://httpbin.org/')
+        verify_pool_mgr.request('GET', httpbin_secure.url)
+        verify_pool_mgr.request('GET', httpbin.url)
         assert cass.play_count == 0
         assert len(cass) == 2
 
 
-def test_gzip(tmpdir, scheme, verify_pool_mgr):
+def test_gzip(tmpdir, httpbin_both, verify_pool_mgr):
     '''
     Ensure that requests (actually urllib3) is able to automatically decompress
     the response body
     '''
-    url = scheme + '://httpbin.org/gzip'
+    url = httpbin_both.url + '/gzip'
     response = verify_pool_mgr.request('GET', url)
 
     with vcr.use_cassette(str(tmpdir.join('gzip.yaml'))):
@@ -143,6 +135,6 @@ def test_gzip(tmpdir, scheme, verify_pool_mgr):
         assert_is_json(response.data)
 
 
-def test_https_with_cert_validation_disabled(tmpdir, pool_mgr):
+def test_https_with_cert_validation_disabled(tmpdir, httpbin_secure, pool_mgr):
     with vcr.use_cassette(str(tmpdir.join('cert_validation_disabled.yaml'))):
-        pool_mgr.request('GET', 'https://httpbin.org')
+        pool_mgr.request('GET', httpbin_secure.url)
diff --git a/tests/integration/test_wild.py b/tests/integration/test_wild.py
index e8feeb5..9b69456 100644
--- a/tests/integration/test_wild.py
+++ b/tests/integration/test_wild.py
@@ -24,14 +24,14 @@ def test_domain_redirect():
         assert len(cass) == 2
 
 
-def test_flickr_multipart_upload():
+def test_flickr_multipart_upload(httpbin, tmpdir):
     """
     The python-flickr-api project does a multipart
     upload that confuses vcrpy
     """
     def _pretend_to_be_flickr_library():
         content_type, body = "text/plain", "HELLO WORLD"
-        h = httplib.HTTPConnection("httpbin.org")
+        h = httplib.HTTPConnection(httpbin.host, httpbin.port)
         headers = {
             "Content-Type": content_type,
             "content-length": str(len(body))
@@ -44,11 +44,12 @@ def test_flickr_multipart_upload():
 
         return data
 
-    with vcr.use_cassette('fixtures/vcr_cassettes/flickr.yaml') as cass:
+    testfile = str(tmpdir.join('flickr.yml'))
+    with vcr.use_cassette(testfile) as cass:
         _pretend_to_be_flickr_library()
         assert len(cass) == 1
 
-    with vcr.use_cassette('fixtures/vcr_cassettes/flickr.yaml') as cass:
+    with vcr.use_cassette(testfile) as cass:
         assert len(cass) == 1
         _pretend_to_be_flickr_library()
         assert cass.play_count == 1
@@ -61,13 +62,13 @@ def test_flickr_should_respond_with_200(tmpdir):
         assert r.status_code == 200
 
 
-def test_cookies(tmpdir):
+def test_cookies(tmpdir, httpbin):
     testfile = str(tmpdir.join('cookies.yml'))
     with vcr.use_cassette(testfile):
         s = requests.Session()
-        s.get("http://httpbin.org/cookies/set?k1=v1&k2=v2")
+        s.get(httpbin.url + "/cookies/set?k1=v1&k2=v2")
 
-        r2 = s.get("http://httpbin.org/cookies")
+        r2 = s.get(httpbin.url + "/cookies")
         assert len(r2.json()['cookies']) == 2
 
 
diff --git a/tox.ini b/tox.ini
index 2bf91a0..f129486 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,11 +11,11 @@ deps = flake8
 
 [testenv]
 commands =
-    py.test {posargs}
+    ./runtests.sh {posargs}
 deps =
     mock
     pytest
-    pytest-localserver
+    pytest-httpbin
     PyYAML
     requests1: requests==1.2.3
     requests27: requests==2.7.0
diff --git a/vcr/stubs/httplib2_stubs.py b/vcr/stubs/httplib2_stubs.py
index 04b508b..b08f357 100644
--- a/vcr/stubs/httplib2_stubs.py
+++ b/vcr/stubs/httplib2_stubs.py
@@ -41,6 +41,7 @@ class VCRHTTPSConnectionWithTimeout(VCRHTTPSConnection,
             'strict',
             'timeout',
             'source_address',
+            'ca_certs',
         ))
         unknown_keys = set(kwargs.keys()) - safe_keys
         safe_kwargs = kwargs.copy()