def test_lambda_decoration(self):
     """Test data provider with a lambda function"""
     called_func_mock = Mock()
     dummy = Dummy(called_func_mock)
     dummy.decorated_by_lambda_method()
     called_func_mock.assert_has_calls([
         call(Dummy.ARG1, Dummy.ARG2),
         call(Dummy.ARG3, Dummy.ARG4),
     ])