code: def setUp(self):
      super().setUp()
      src_model_path = "/path/to/src/model"
      dst_model_path = "/path/to/dst/model"
      self._source_model = rewriter.ModelDescription(
          rewriter.ModelType.SAVED_MODEL, src_model_path
      )
  
      self._dest_model = rewriter.ModelDescription(
          rewriter.ModelType.SAVED_MODEL, dst_model_path
      )
  
file_path: tfx/tfx/components/trainer/rewriting/rewriter_test.py
imports: from absl.testing import absltest
  from tfx.components.trainer.rewriting import rewriter
label_desc: Use image node_id 1 for calling the PerformRewriteTest obj's underlying member method code with example usage: obj.setUp() without return types