code: def test_get_message_no_code(self):
      callsite_tb = [
          ("/path/one.py", 11, "test_fn_1", None),
          ("/path/two.py", 171, "test_fn_2", "test code"),
      ]
      cause_message = "Test message"
      em = error_utils.ErrorMetadataBase(
          callsite_tb=callsite_tb,
          cause_metadata=None,
          cause_message=cause_message,
          source_map={},
          converter_filename=None,
      )
      self.assertRegex(
          em.get_message(),
          re.compile(
              (
                  '"/path/one.py", line 11, in test_fn_1.*'
                  '"/path/two.py", line 171, in test_fn_2.*'
                  "Test message"
              ),
              re.DOTALL,
          ),
      )
  
file_path: tensorflow/tensorflow/python/autograph/pyct/error_utils_test.py
imports: import re
  from tensorflow.python.autograph.pyct import error_utils
  from tensorflow.python.autograph.pyct import origin_info
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the ErrorMetadataBaseTest obj's underlying member method code with example usage: obj.test_get_message_no_code() without return types