code: def test_correct_modelcard_format(self):
      # hf-internal-testing/tiny-random-kandinsky-v22-prior has no metadata
      assert not self.modelcard_has_connected_pipeline(
          "hf-internal-testing/tiny-random-kandinsky-v22-prior"
      )
  
      # see https://huggingface.co/hf-internal-testing/tiny-random-kandinsky-v22-decoder/blob/8baff9897c6be017013e21b5c562e5a381646c7e/README.md?code=true#L2
      assert self.modelcard_has_connected_pipeline(
          "hf-internal-testing/tiny-random-kandinsky-v22-decoder"
      )
  
file_path: diffusers/tests/pipelines/test_pipelines_combined.py
imports: import unittest
  import torch
  from huggingface_hub import ModelCard
  from diffusers import DDPMScheduler, DiffusionPipeline, KandinskyV22CombinedPipeline, KandinskyV22Pipeline, KandinskyV22PriorPipeline
  from diffusers.pipelines.pipeline_utils import CONNECTED_PIPES_KEYS
label_desc: Use image node_id 2 for calling the CombinedPipelineFastTest obj's underlying member method code with example usage: obj.test_correct_modelcard_format() without return types