def test_help_trait(self):
        n = tvtk.PolyDataNormals()
        t = n.traits()
        test = t['splitting'].help != t['non_manifold_traversal'].help
        self.assertEqual(test, True)
Return a new CaseSet with Cases that are common to this
dataset/ETHPy150Open enthought/mayavi/tvtk/tests/test_tvtk.py/TestTVTK.test_help_trait--crossover with--dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.lib/src/openmdao/lib/casehandlers/caseset.py/CaseSet.intersection