def test_prepare_mock_return_value_many_dots_second_level(self) -> None:
        '''tormnet.fixtures._prepare_mock(ContextStub, 'symbol.sub.a.b.c', return_value = 'a')'''

        class ContextStub(contexts.TestContext):
            mocked_symbol_sub = unittest.mock.MagicMock(name = 'ContextStub.mocked_symbol_sub')

        c = ContextStub()

        fixtures._prepare_mock(c, 'symbol.sub.a.b.c', return_value = 'a')

        self.assertEqual(c.mocked_symbol_sub.a.b.c(), 'a')