Add 2m timeout to tests

If some test hangs by some reason, we get 1h delay in the gate until
Jenkins kills the job. This will shorten the delay to ~15min tops.

Change-Id: I8c6533aecd8b72b6c904c8e1724a0b27ff943d5b

git_review/tests/__init__.py

@@ -25,6 +25,7 @@ else:
     import urllib.request
     urlopen = urllib.request.urlopen
 
+import fixtures
 import testtools
 
 from git_review.tests import utils
@@ -107,6 +108,7 @@ class BaseGitReviewTestCase(testtools.TestCase, GerritHelpers):
         Require Gerrit war file in the .gerrit directory to run Gerrit local.
         """
         super(BaseGitReviewTestCase, self).setUp()
+        self.useFixture(fixtures.Timeout(2 * 60, True))
 
         self.init_dirs()
         self._pick_gerrit_port_and_dir()

test-requirements.txt

@@ -1,5 +1,6 @@
 hacking>=0.5.6,<0.6
 discover
 
+fixtures>=0.3.14,<0.4
 testrepository>=0.0.13
 testtools>=0.9.27