Fix acceptance tests

lms/envs/acceptance.py

@@ -107,6 +107,10 @@ FEATURES['ENABLE_DISCUSSION_SERVICE'] = False
 # Use the auto_auth workflow for creating users and logging them in
 FEATURES['AUTOMATIC_AUTH_FOR_TESTING'] = True
 
+# Third-party auth is enabled in lms/envs/test.py for unittests, but we don't
+# yet want it for acceptance tests.
+FEATURES['ENABLE_THIRD_PARTY_AUTH'] = False
+
 # Enable fake payment processing page
 FEATURES['ENABLE_PAYMENT_FAKE'] = True