Use the new DiscoverRunner

@@ -35,12 +35,12 @@ settings.configure(
     SITE_ID = 1,
 )
 
-from django.test.simple import DjangoTestSuiteRunner
+from django.test.runner import DiscoverRunner
 
 def main():
     if django.VERSION >= (1, 7):
         django.setup()
-    runner = DjangoTestSuiteRunner(failfast=True, verbosity=1)
+    runner = DiscoverRunner(failfast=True, verbosity=1)
     failures = runner.run_tests(['testapp'], interactive=True)
     sys.exit(failures)
 

@@ -85,13 +85,3 @@ class CommentTestCase(TestCase):
         d = self.getData()
         d.update(f.initial)
         return d
-
-from .app_api_tests import *
-from .feed_tests import *
-from .model_tests import *
-from .comment_form_tests import *
-from .templatetag_tests import *
-from .comment_view_tests import *
-from .moderation_view_tests import *
-from .comment_utils_moderators_tests import *
-