class_docstr: Unit tests for KerasLayer.
class_docstr_tok: ["Unit","tests","for","KerasLayer","."]
code: def test_load_callable_keras_default_saved_model_v2_with_signature(
      self,
  ):
      export_dir = os.path.join(
          self.get_temp_dir(), "plus_one_keras_default"
      )
      _save_plus_one_saved_model_v2_keras_default_callable(export_dir)
      inputs, expected_outputs = (
          10.0,
          11.0,
      )  # Test modules perform increment op.
      layer = hub.KerasLayer(
          export_dir,
          signature="plus_one",
          signature_outputs_as_dict=True,
      )
      output = layer(inputs)
  
      self.assertIsInstance(output, dict)
      self.assertEqual(output["output_0"], expected_outputs)
  
imports: import json
  import os
  from absl.testing import parameterized
  import numpy
  import tensorflow
  import tensorflow_hub
label_desc: Use image node_id 3 for calling the KerasLayerTest obj's underlying member method code with example usage: obj.test_load_callable_keras_default_saved_model_v2_with_signature() without return types