Fix broken sphinx tests.

Change-Id: I2c2046b4ef31c78731f25f3b8e579b05ca0953fb

tests/test_sphinxext.py

@@ -20,11 +20,17 @@ class TestSphinxExt(unittest.TestCase):
     def test_buildhtml(self):
         if not os.path.exists('.test_sphinxext/'):
             os.makedirs('.test_sphinxext/')
-        assert sphinx.main(['',
+        try:
+            sphinx.main([
+                '',
                 '-b', 'html',
                 '-d', '.test_sphinxext/doctree',
                 docpath,
-            '.test_sphinxext/html']) == 0
+                '.test_sphinxext/html'
+            ])
+            assert Exception("Should raise SystemExit 0")
+        except SystemExit as e:
+            assert e.code == 0
 
 
 class TestDataTypeName(unittest.TestCase):

tox.ini

@@ -10,6 +10,7 @@ testtools =
 basedeps = 
 	transaction
 	pecan
+    cloud_sptheme
 	Sphinx
 	Flask