code: def test_unaligned_metric_value(self):
      modelBuilder_keras = KerasModelBuilder(model_creator_keras)
      model = modelBuilder_keras.build(
          config={
              "lr": 1e-2,
              "batch_size": 32,
          }
      )
      with pytest.raises(RuntimeError):
          model.fit_eval(
              data=self.data,
              validation_data=self.validation_data,
              metric="mae",
              epochs=20,
          )
  
file_path: BigDL/python/orca/test/bigdl/orca/automl/model/test_base_keras_model.py
imports: from unittest import TestCase
  from bigdl.orca.automl.model.base_keras_model import KerasBaseModel, KerasModelBuilder
  import numpy
  import tensorflow
  import pytest
label_desc: Use image node_id 6 for calling the TestBaseKerasModel obj's underlying member method code with example usage: obj.test_unaligned_metric_value() without return types