def METHOD_NAME(self):
    smap = SymbolMap()
    labeler = TextLabeler()
    smap.createSymbols(self.instance.component_data_objects(Var), labeler)
    self.assertEqual(
        set(smap.bySymbol.keys()),
        set(['x', 'y(1)', 'y(2)', 'y(3)', 'b_x', 'b_y(1)', 'b_y(2)', 'b_y(3)']),
    )