python3: Switch to mox3 instead of mox

This commit switches to mox3 which is python 3.x compatible drop-in
replacement of mox.

Partially implements blueprint: support-python3
Change-Id: Ie516ecd9ad3631519a0a1a3be484b76495f41b6c

congress/tests/base.py

@@ -19,7 +19,7 @@ import os
 
 import fixtures
 import mock
-import mox
+from mox3 import mox
 from oslo_config import cfg
 import testtools
 

congress/tests/datasources/test_neutron_driver.py

@@ -15,7 +15,7 @@
 import datetime
 
 import mock
-import mox
+from mox3 import mox
 import neutronclient.v2_0.client
 
 from congress.datalog import compile

congress/tests/test_benchmark_updates.py

@@ -15,7 +15,7 @@ import functools
 import logging
 
 import eventlet
-import mox
+from mox3 import mox
 
 from congress.datalog import compile
 from congress.dse import dataobj

congress/tests/test_congress.py

@@ -23,7 +23,7 @@ Tests for `congress` module.
 import os
 
 import mock
-import mox
+from mox3 import mox
 import neutronclient.v2_0
 from oslo_log import log as logging
 

requirements.txt

@@ -6,7 +6,6 @@ Babel>=1.3
 eventlet>=0.17.4
 PuLP>=1.0.4
 keystonemiddleware>=2.0.0
-mox>=0.5.3
 Paste
 PasteDeploy>=1.5.0
 pbr<2.0,>=1.6

test-requirements.txt

@@ -6,6 +6,7 @@ hacking<0.10,>=0.9.2
 coverage>=3.6
 fixtures>=1.3.1
 mock>=1.2
+mox3>=0.7.0
 requests-mock>=0.6.0 # Apache-2.0
 oslo.concurrency>=2.3.0 # Apache-2.0
 python-subunit>=0.0.18