TST: skip gbq integration tests, xref #34779 (#34895)

Author: jreback

pandas/tests/io/test_gbq.py

@@ -148,6 +148,7 @@ def mock_read_gbq(sql, **kwargs):
 
 
 @pytest.mark.single
+@pytest.mark.xfail(reason="skipping gbq integration for now, xref #34779")
 class TestToGBQIntegrationWithServiceAccountKeyPath:
     @pytest.fixture()
     def gbq_dataset(self):