Increase liveserver timeout on older registry tests

test/registry_tests.py

@@ -256,6 +256,7 @@ class RegistryTestCaseMixin(LiveServerTestCase):
 
     app.config['TESTING'] = True
     app.config['LIVESERVER_PORT'] = 0 # LiveServerTestCase will choose the port for us.
+    app.config['LIVESERVER_TIMEOUT'] = 15
     app.config['DB_URI'] = get_new_database_uri()
     return app