docstr: See base class.
code: def common_asserts_for_test_data(self, data):
      """See base class."""
      encoded_x = data.encoded_x[
          stages_impl.BitpackingEncodingStage.ENCODED_VALUES_KEY
      ]
      self.assertAllClose(data.x, data.decoded_x)
      self.assertEqual(np.int32, encoded_x.dtype)
      self.assertGreaterEqual(data.x.size, encoded_x.size)
  
imports: import itertools
  from absl.testing import parameterized
  import numpy
  import tensorflow
  from tensorflow_model_optimization.python.core.internal.tensor_encoding.stages import stages_impl
  from tensorflow_model_optimization.python.core.internal.tensor_encoding.testing import test_utils
label_desc: Use image node_id 4 for calling the BitpackingEncodingStageTest obj's underlying member method code with example usage: obj.common_asserts_for_test_data(data) without return types