Travis builds are no longer failing when tests fail
Not sure of the cause here, but since the following commit, builds in Travis have been passing, even though the django tests themselves are failing:

https://github.com/rkhleics/wagtailmenus/commit/674a7ba935bb21c5640120f09ef69284884d7803

Build results for this PR can be found at:
https://travis-ci.org/rkhleics/wagtailmenus/builds/266977121
diff --git a/runtests.py b/runtests.py
index 20de41a..2a293fa 100644
--- a/runtests.py
+++ b/runtests.py
@@ -42,10 +42,7 @@ def runtests():
         pass
 
     argv = [sys.argv[0], 'test']
-    try:
-        execute_from_command_line(argv)
-    except:
-        pass
-
+    return execute_from_command_line(argv)
+    
 if __name__ == '__main__':
-    runtests()
+    sys.exit(runtests())
['runtests.py']