code: def testParseNodeNameInputWorks(self):
      self.assertEqual("a", debug_graphs.get_node_name("a"))
      self.assertEqual(0, debug_graphs.get_output_slot("a"))
  
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 2 for calling the GetNodeNameAndOutputSlotTest obj's underlying member method code with example usage: obj.testParseNodeNameInputWorks() without return types