get tox test working with Django1.8.

test_proj/settings.py

@@ -148,7 +148,7 @@ try:
     TEST_RUNNER = 'django_coverage.coverage_runner.CoverageRunner'
     COVERAGE_REPORT_HTML_OUTPUT_DIR = os.path.join(PROJECT_PATH, '_coverage')
 except ImportError:
-    TEST_RUNNER = 'django.test.simple.DjangoTestSuiteRunner'
+    TEST_RUNNER = 'django.test.runner.DiscoverRunner'
 
 
 ADMIN_TOOLS_INDEX_DASHBOARD = 'test_proj.dashboard.CustomIndexDashboard'

test_proj/test_app/tests.py

@@ -3,7 +3,7 @@ import sys
 
 class AdminBasicTest(TestCase):
 
-    fixtures = ['initial_data.json']
+    fixtures = ['users.json']
 
     def test_admin_loads(self):
         for (username, password) in (('superuser', '123'), ('staff', '123')):

tox.ini

@@ -24,4 +24,4 @@ deps =
 [testenv]
 commands =
   python -V
-  ./runtests.sh
+  python test_proj/manage.py test