Move http_client fixture to root-level conftest

conftest.py

@@ -0,0 +1,12 @@
+import pytest
+
+import requests
+
+@pytest.fixture()
+def http_client():
+  sess = requests.Session()
+  adapter = requests.adapters.HTTPAdapter(pool_connections=100,
+                                          pool_maxsize=100)
+  sess.mount('http://', adapter)
+  sess.mount('https://', adapter)
+  return sess

oauth/test/test_oidc.py

@@ -6,7 +6,6 @@ import urlparse
 
 import jwt
 import pytest
-import requests
 
 from httmock import urlmatch, HTTMock
 from Crypto.PublicKey import RSA
@@ -14,15 +13,6 @@ from jwkest.jwk import RSAKey
 
 from oauth.oidc import OIDCLoginService, OAuthLoginException
 
-@pytest.fixture()
-def http_client():
-  sess = requests.Session()
-  adapter = requests.adapters.HTTPAdapter(pool_connections=100,
-                                          pool_maxsize=100)
-  sess.mount('http://', adapter)
-  sess.mount('https://', adapter)
-  return sess
-
 @pytest.fixture(params=[True, False])
 def app_config(http_client, request):
   return {