Minor fixes to tests.

tests/django_test_app/__init__.py

@@ -21,7 +21,8 @@ if django_loaded:  # pragma: no cover
             },
             INSTALLED_APPS=[
                 'tests.django_test_app',
-            ]
+            ],
+            MIDDLEWARE_CLASSES=[],
         )
     # https://docs.djangoproject.com/en/dev/releases/1.7/#app-loading-changes
     if django.VERSION >= (1, 7):

tests/test_django.py

@@ -179,11 +179,10 @@ class SouthTestCase(unittest.TestCase):
 
 if django_loaded:
     from django.test import TestCase
-    try:
-        from django.test.runner import DiscoverRunner as TestRunner
-    except ImportError:
-        # django < 1.6
+    if django.VERSION[:2] < (1, 6):
         from django.test.simple import DjangoTestSuiteRunner as TestRunner
+    else:
+        from django.test.runner import DiscoverRunner as TestRunner
 
     class DbInteractingTestCase(TestCase):