def test_compute_instance_id_nonempty(self):
        self.assertNotEqual(u"", self.this_node)
Return None if user cancels operation
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/testtools/_blockdevice.py/IBlockDeviceAPITestsMixin.test_compute_instance_id_nonempty--crossover with--dataset/ETHPy150Open glue-viz/glue/glue/dialogs/data_wizard/qt/tests/test_data_wizard.py/TestGlueDataDialog.test_load_data_cancel