code: def test_repr(config):
      representation = repr(config)
  
      assert eval(representation) == config
      assert len(representation) < MAX_REPR_LENGTH
  
imports: import pytest
  import pyarrow.fs
  from ray.train import ScalingConfig, FailureConfig, CheckpointConfig, RunConfig
  from ray.air.constants import MAX_REPR_LENGTH
label_desc: Use image node_id 1 for calling a global function with example usage: test_repr(config) without return types