Fix test_graph_server to account for create_bq_client() now taking keyword arguments.

Author: ericfe-google

tests/unit/test_graph_server.py

@@ -527,7 +527,9 @@ def test_post_query_from_table(self):
             response = requests.post(route, json={"params": json.dumps(params)})
             self.assertEqual(response.status_code, 200)
 
-            mock_create.assert_called_once_with("p", "e", "l")
+            mock_create.assert_called_once_with(
+                project="p", bigquery_api_endpoint="e", location="l"
+            )
             mock_client.list_rows.assert_called_once()
 
         response_data = response.json()["response"]