Initialise openstack.Manager() with config from self.nova.
diff --git a/kong/tests/test_flavors.py b/kong/tests/test_flavors.py
index e5ab762..0fb3258 100644
--- a/kong/tests/test_flavors.py
+++ b/kong/tests/test_flavors.py
@@ -8,7 +8,7 @@
 class FlavorsTest(tests.FunctionalTest):
     def setUp(self):
         super(FlavorsTest, self).setUp()
-        self.os = openstack.Manager()
+        self.os = openstack.Manager(self.nova)
 
     def _index_flavors(self):
         url = '/flavors'