code: def testGetErrorIntroForNoOpName(self):
      tf_error = errors.OpError(None, None, "Fake OpError", -1)
      error_intro = cli_shared.get_error_intro(tf_error)
      self.assertIn(
          "Cannot determine the name of the op", error_intro.lines[3]
      )
  
imports: from collections import namedtuple
  from tensorflow.python.debug.cli import cli_shared
  from tensorflow.python.debug.cli import debugger_cli_common
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 4 for calling the GetErrorIntroTest obj's underlying member method code with example usage: obj.testGetErrorIntroForNoOpName() without return types