code: def testEmoji(self):
      test_string = [
          "\U0001f604m".encode("utf-8"),
          "m\u2605m".encode("utf-8"),
          "O:)",
          "m\U0001f604".encode("utf-8"),
          "\u2105k".encode("utf-8"),
      ]
      shapes = wordshape_ops.wordshape(
          test_string, wordshape_ops.WordShape.HAS_EMOJI
      )
      self.assertAllEqual(shapes, [True, True, False, True, False])
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
  from tensorflow_text.python.ops import wordshape_ops
label_desc: Use image node_id 20 for calling the Utf8CharsOpTest obj's underlying member method code with example usage: obj.testEmoji() without return types