code: def testGetSlicingMetrics(self):
      self.assertEqual(
          util.get_slicing_metrics(self._makeTestData(), self.column_1),
          [
              {"slice": self.column_a, "metrics": self.metrics_a},
              {"slice": self.column_b, "metrics": self.metrics_b},
          ],
      )
  
imports: import os
  import tensorflow
  from tensorflow_model_analysis import constants
  from tensorflow_model_analysis.eval_saved_model import testutil
  from tensorflow_model_analysis.proto import config_pb2
  from tensorflow_model_analysis.proto import metrics_for_slice_pb2
  from tensorflow_model_analysis.slicer.slicer_lib import OVERALL_SLICE_NAME
  from tensorflow_model_analysis.slicer.slicer_lib import SingleSliceSpec
  from tensorflow_model_analysis.view import util
  from tensorflow_model_analysis.view import view_types
  from google.protobuf import text_format
label_desc: Use image node_id 5 for calling the UtilTest obj's underlying member method code with example usage: obj.testGetSlicingMetrics() without return types