code: def test_model_with_image_pos_embeddings_interpolation_multiple_images(
      self,
  ):
      config_and_inputs = self.model_tester.prepare_config_and_inputs(
          num_images=2, interpolate_pos_encoding=True, image_expansion=2
      )
      self.model_tester.create_and_check_model(*config_and_inputs)
      config_and_inputs = self.model_tester.prepare_config_and_inputs(
          num_images=2, interpolate_pos_encoding=True, image_expansion=0
      )
      self.model_tester.create_and_check_model(*config_and_inputs)
  
imports: import unittest
  from parameterized import parameterized
  from transformers import BitsAndBytesConfig, IdeficsConfig, is_torch_available, is_vision_available
  from transformers.testing_utils import TestCasePlus, require_bitsandbytes, require_torch, require_torch_sdpa, require_vision, slow, torch_device
  from transformers.utils import cached_property
  from ...test_configuration_common import ConfigTester
  from ...test_modeling_common import ModelTesterMixin, floats_tensor, ids_tensor, random_attention_mask
  from ...test_pipeline_mixin import PipelineTesterMixin
label_desc: Use image node_id 8 for calling the IdeficsModelTest obj's underlying member method code with example usage: obj.test_model_with_image_pos_embeddings_interpolation_multiple_images() without return types