code: def test_components_function(self):
      init_components = self.get_dummy_components()
      pipe = self.pipeline_class(**init_components)
  
      self.assertTrue(hasattr(pipe, "components"))
      self.assertTrue(
          set(pipe.components.keys()) == set(init_components.keys())
      )
  
imports: import random
  import unittest
  import numpy
  import torch
  from transformers import CLIPTextConfig, CLIPTextModel, CLIPTextModelWithProjection, CLIPTokenizer
  from diffusers import AutoencoderKL, EulerDiscreteScheduler, UNet2DConditionModel
  from diffusers.image_processor import VaeImageProcessor
  from diffusers.pipelines.stable_diffusion_xl.pipeline_stable_diffusion_xl_instruct_pix2pix import StableDiffusionXLInstructPix2PixPipeline
  from diffusers.utils.testing_utils import enable_full_determinism, floats_tensor, torch_device
  from ..pipeline_params import IMAGE_TO_IMAGE_IMAGE_PARAMS, TEXT_GUIDED_IMAGE_INPAINTING_BATCH_PARAMS, TEXT_GUIDED_IMAGE_VARIATION_PARAMS
  from ..test_pipelines_common import PipelineKarrasSchedulerTesterMixin, PipelineLatentTesterMixin, PipelineTesterMixin, SDXLOptionalComponentsTesterMixin
label_desc: Use image node_id 3 for calling the StableDiffusionXLInstructPix2PixPipelineFastTests obj's underlying member method code with example usage: obj.test_components_function() without return types