prevent test-related warnings on django 1.7
diff --git a/planetstack/planetstack/settings.py b/planetstack/planetstack/settings.py
index d420371..f3f435d 100644
--- a/planetstack/planetstack/settings.py
+++ b/planetstack/planetstack/settings.py
@@ -264,3 +264,6 @@
 DISABLE_MINIDASHBOARD = getattr(config, "gui_disable_minidashboard", False)
 ENCRYPTED_FIELDS_KEYDIR = '/opt/planetstack/private_keys'
 ENCRYPTED_FIELD_MODE = 'ENCRYPT'
+
+# prevents warnings on django 1.7                                                                                                 
+TEST_RUNNER = 'django.test.runner.DiscoverRunner'