docstr: Ensure input output keys are the same for different class definitions.
docstr_tok: ["Ensure","input","output","keys","are","the","same","for","different","class","definitions","."]
code: def test_input_output_keys_are_correct(self):
      """Ensure input output keys are the same for different class definitions."""
      layer = self.TestLayer()
      layer_annotated = self.TestLayerAnnotated()
      self.assertAllEqual(layer.input_keys, layer_annotated.input_keys)
      self.assertAllEqual(
          layer.output_keys, layer_annotated.output_keys
      )
  
imports: from absl.testing import parameterized
  from ddsp.training import nn
  import numpy
  import tensorflow.compat.v2
label_desc: Use image node_id 4 for calling the DictLayerTest obj's underlying member method code with example usage: obj.test_input_output_keys_are_correct() without return types