Fix LlavaForConditionalGenerationModelTest::test_config after #36077

[ydshieh]

What does this PR do?

This might be just a temporary fix though.

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[zucchini-nlp]

Does this run a dummy check_config_can_be_init_without_params instead of fetching the newly added one?

I think we need the new test, to prevent regression. Maybe we can move to to test_modeling_llava.py and as you did, add to the ConfigTester?

[ydshieh]

Hi ✋

In #36077, there is no newly added check_config_can_be_init_without_params. There is a newly added test file/class tests/models/llava/test_configuration_llava.py and relevant methods, but they are extra tests.

This PR only affects the original test_config in LlavaForConditionalGenerationModelTest in tests/models/llava/test_modeling_llava.py (which are independent from the new tests/models/llava/test_configuration_llava.py).

And it's not dummy: it simply select the else branch below (defined in tests/test_configuration_common.py)

    def check_config_can_be_init_without_params(self):
        if self.config_class.is_composition:
            with self.parent.assertRaises(ValueError):
                config = self.config_class()
        else:
            config = self.config_class()
            self.parent.assertIsNotNone(config)

[zucchini-nlp]

Ahah I am dumb, sorry. Yeah, makes sense now, thanks for fixing!