Fix unittests

- Update horizon version
- Remove --upgrade option in venv installer and tox.ini
- Freeze oslo libs versions

Change-Id: I4b6697cba20699da59af8f9cc7440a669d9f0c6e

test-requirements.txt

@@ -1,6 +1,12 @@
 # Hacking already pins down pep8, pyflakes and flake8
 hacking>=0.9.2,<0.10
-# Testing Requirements
+
+# fix version problems
+cffi==0.9.2
+oslo.i18n==1.7.0
+oslo.utils==1.9.0
+oslo.serialization==1.7.0
+
 coverage>=3.6
 django-nose
 mock>=1.0
@@ -16,5 +22,4 @@ selenium
 # Docs Requirements
 sphinx>=1.1.2,!=1.2.0,!=1.3b1,<1.3
 oslosphinx
-
-http://tarballs.openstack.org/horizon/horizon-2014.2.tar.gz#egg=horizon
+http://tarballs.openstack.org/horizon/horizon-2015.1.0.tar.gz#egg=horizon

tools/install_venv.py

@@ -109,7 +109,7 @@ def create_virtualenv(venv=VENV):
 
 
 def pip_install(*args):
-    args = [WITH_VENV, 'pip', 'install', '--upgrade'] + list(args)
+    args = [WITH_VENV, 'pip', 'install'] + list(args)
     run_command(args, redirect_output=False)
 
 

tox.ini

@@ -5,10 +5,10 @@ skipsdist = True
 
 [testenv]
 usedevelop = True
-install_command = pip install -U {opts} {packages}
+install_command = pip install {opts} {packages}
 setenv = VIRTUAL_ENV={envdir}
-deps = -r{toxinidir}/requirements.txt
-       -r{toxinidir}/test-requirements.txt
+deps = -r{toxinidir}/test-requirements.txt
+       -r{toxinidir}/requirements.txt
 commands = /bin/bash run_tests.sh -N {posargs}
 
 [testenv:pep8]