code: def testFilterOutSlices(self):
      slice_key_1 = (("slice_key", "slice1"),)
      slice_key_2 = (("slice_key", "slice2"),)
      slice_key_3 = (("slice_key", "slice3"),)
  
      values_list = [
          (slice_key_1, {"val11": "val12"}),
          (slice_key_2, {"val21": "val22"}),
      ]
      slice_counts_list = [
          (slice_key_1, 2),
          (slice_key_2, 1),
          (slice_key_3, 0),
      ]
  
      def check_output(got):
          try:
              self.assertLen(got, 2)
              slices = {}
              for k, v in got:
                  slices[k] = v
  
              self.assertEqual(slices[slice_key_1], {"val11": "val12"})
              self.assertIn(
                  metric_keys.ERROR_METRIC, slices[slice_key_2]
              )
          except AssertionError as err:
              raise util.BeamAssertException(err)
  
      with beam.Pipeline() as pipeline:
          slice_counts_pcoll = (
              pipeline
              | "CreateSliceCountsPColl"
              >> beam.Create(slice_counts_list)
          )
          output_dict = (
              pipeline
              | "CreateValuesPColl" >> beam.Create(values_list)
              | "FilterOutSlices"
              >> slicer.FilterOutSlices(
                  slice_counts_pcoll,
                  min_slice_size=2,
                  error_metric_key=metric_keys.ERROR_METRIC,
              )
          )
          util.assert_that(output_dict, check_output)
  
imports: from absl.testing import parameterized
  import apache_beam
  from apache_beam.testing import util
  import numpy
  import six
  import tensorflow
  from tensorflow_model_analysis import constants
  from tensorflow_model_analysis.api import types
  from tensorflow_model_analysis.eval_saved_model import testutil
  from tensorflow_model_analysis.extractors import slice_key_extractor
  from tensorflow_model_analysis.post_export_metrics import metric_keys
  from tensorflow_model_analysis.proto import config_pb2
  from tensorflow_model_analysis.proto import metrics_for_slice_pb2
  from tensorflow_model_analysis.slicer import slicer_lib
  from google.protobuf import text_format
label_desc: Use image node_id 24 for calling the SlicerTest obj's underlying member method code with example usage: obj.testFilterOutSlices() without return types