Fixed pep8 dependency conflict

Change-Id: I174a4e0b370ee8ee3bed6a749fc1cca4317b7ba6

marconi/tests/system/common/functionlib.py

@@ -29,10 +29,10 @@ def get_keystone_token():
     """Gets Keystone Auth token."""
     req_json = {
         'auth': {
-        'passwordCredentials': {
-        'username': CFG.username,
-        'password': CFG.password
-        }
+            'passwordCredentials': {
+                'username': CFG.username,
+                'password': CFG.password
+            },
         },
     }
 

test-requirements.txt

@@ -15,6 +15,4 @@ nose-exclude
 openstack.nose_plugin
 
 # Metrics and style
-coverage
-flake8
 hacking