code: def testParseDebugNodeName_invalidWatchedTensorName(self):
      invalid_debug_node_name_1 = "__dbg_node1_0_DebugIdentity"
  
      with self.assertRaisesRegex(
          ValueError, "Invalid tensor name in debug node name"
      ):
          debug_graphs.parse_debug_node_name(invalid_debug_node_name_1)
  
imports: from tensorflow.python.debug.lib import debug_graphs
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import test
label_desc: Use image node_id 4 for calling the ParseDebugNodeNameTest obj's underlying member method code with example usage: obj.testParseDebugNodeName_invalidWatchedTensorName() without return types