code: def test_np_array_unicode_value(self):
      pb = self.text(
          "fa",
          np.array(
              [["A", "long", "long"], ["way", "to", "run \u203C"]]
          ),
      )
      values = tensor_util.make_ndarray(pb.value[0].tensor).tolist()
      self.assertEqual(
          [
              [b"A", b"long", b"long"],
              [b"way", b"to", b"run \xe2\x80\xbc"],
          ],
          values,
      )
      # Check that all entries are byte strings.
      for vectors in values:
          for value in vectors:
              self.assertIsInstance(value, bytes)
  
imports: import glob
  import os
  import numpy
  import tensorflow
  from tensorboard.compat import tf2
  from tensorboard.compat.proto import summary_pb2
  from tensorboard.plugins.text import metadata
  from tensorboard.plugins.text import summary
  from tensorboard.util import tensor_util
label_desc: Use image node_id 8 for calling the SummaryBaseTest obj's underlying member method code with example usage: obj.test_np_array_unicode_value() without return types