code: def testMergeGroupNotClosed(self):
      message = unittest_pb2.TestAllTypes()
      text = "RepeatedGroup: <"
      self.assertRaisesWithMessage(
          text_format.ParseError,
          '1:16 : Expected ">".',
          text_format.Merge,
          text,
          message,
      )
  
      text = "RepeatedGroup: {"
      self.assertRaisesWithMessage(
          text_format.ParseError,
          '1:16 : Expected "}".',
          text_format.Merge,
          text,
          message,
      )
  
imports: import difflib
  import re
  import unittest
  from google.protobuf import text_format
  from google.protobuf.internal import test_util
  from google.protobuf import unittest_pb2
  from google.protobuf import unittest_mset_pb2
label_desc: Use image node_id 29 for calling the TextFormatTest obj's underlying member method code with example usage: obj.testMergeGroupNotClosed() without return types