def symmetric_difference(self, case_set):
        self._check_compatability(case_set)
        return self._make_case_set(self._tupset.symmetric_difference(case_set._tupset))
Tests BadStoreConfiguration exception is raised if same directory
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.lib/src/openmdao/lib/casehandlers/caseset.py/CaseSet.symmetric_difference--crossover with--dataset/ETHPy150Open openstack/glance_store/glance_store/tests/unit/test_filesystem_store.py/TestStore.test_configure_add_same_dir_multiple_times_same_priority