def test_has_volume_cant_change_yet(self):
        application = APPLICATION_WITH_VOLUME_SIZE
        manifestation = application.volume.manifestation
        local_state = EMPTY_NODESTATE.set(
            applications=[application.set("volume", None)],
        )
        local_config = to_node(local_state).set(
            manifestations={manifestation.dataset_id: manifestation},
            applications=[application],
        )
        assert_application_calculated_changes(
            self, local_state, local_config, set(), no_change(),
        )
If an ``Application`` is configured with a volume but exists without it
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/test/test_container.py/ApplicationNodeDeployerCalculateVolumeChangesTests.test_has_volume_cant_change_yet