diff --git a/manila/exception.py b/manila/exception.py
index d13cf3800a..73865184b7 100644
--- a/manila/exception.py
+++ b/manila/exception.py
@@ -48,7 +48,7 @@ ProcessExecutionError = processutils.ProcessExecutionError
 
 
 class ConvertedException(webob.exc.WSGIHTTPException):
-    def __init__(self, code=0, title="", explanation=""):
+    def __init__(self, code=400, title="", explanation=""):
         self.code = code
         self.title = title
         self.explanation = explanation
diff --git a/manila/tests/test_policy.py b/manila/tests/test_policy.py
index 4ec6f6552b..97a8a92f1c 100644
--- a/manila/tests/test_policy.py
+++ b/manila/tests/test_policy.py
@@ -17,11 +17,8 @@
 
 import os.path
 
-import mock
 from oslo_config import cfg
 from oslo_policy import policy as common_policy
-import six
-from six.moves.urllib import request as urlrequest
 
 from manila import context
 from manila import exception
@@ -107,28 +104,6 @@ class PolicyTestCase(test.TestCase):
         action = "example:allowed"
         policy.enforce(self.context, action, self.target)
 
-    def test_enforce_http_true(self):
-
-        def fakeurlopen(url, post_data):
-            return six.StringIO("True")
-
-        action = "example:get_http"
-        target = {}
-        with mock.patch.object(urlrequest, 'urlopen', fakeurlopen):
-            result = policy.enforce(self.context, action, target)
-        self.assertTrue(result)
-
-    def test_enforce_http_false(self):
-
-        def fakeurlopen(url, post_data):
-            return six.StringIO("False")
-
-        action = "example:get_http"
-        target = {}
-        with mock.patch.object(urlrequest, 'urlopen', fakeurlopen):
-            self.assertRaises(exception.PolicyNotAuthorized, policy.enforce,
-                              self.context, action, target)
-
     def test_templatized_enforcement(self):
         target_mine = {'project_id': 'fake'}
         target_not_mine = {'project_id': 'another'}
diff --git a/test-requirements.txt b/test-requirements.txt
index 423b065960..14f3efc77d 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -18,4 +18,5 @@ python-subunit>=0.0.18
 requests-mock>=0.6.0 # Apache-2.0
 sphinx!=1.2.0,!=1.3b1,<1.3,>=1.1.2
 testrepository>=0.0.18
+testresources>=0.2.4
 testtools>=1.4.0