code: def test_model_from_pretrained(self):
      for model_class_name in self.all_model_classes:
          model = model_class_name.from_pretrained(
              "microsoft/beit-base-patch16-224"
          )
          outputs = model(np.ones((1, 3, 224, 224)))
          self.assertIsNotNone(outputs)
  
imports: import inspect
  import unittest
  import numpy
  from transformers import BeitConfig
  from transformers.testing_utils import require_flax, require_vision, slow
  from transformers.utils import cached_property, is_flax_available, is_vision_available
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_flax_common import FlaxModelTesterMixin, floats_tensor, ids_tensor
label_desc: Use image node_id 8 for calling the FlaxBeitModelTest obj's underlying member method code with example usage: obj.test_model_from_pretrained() without return types