code: def testSliceKeysToNumpy(
      self, slice_keys_tuples, expected_slice_keys_array
  ):
      np.testing.assert_array_equal(
          slicer.slice_keys_to_numpy_array(slice_keys_tuples),
          expected_slice_keys_array,
      )
  
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 13 for calling the SlicerTest obj's underlying member method code with example usage: obj.testSliceKeysToNumpy(slice_keys_tuples, expected_slice_keys_array) without return types