code: def testWithCallableClass(self):
      callable_instance = SillyCallableClass()
      self.assertRegex(
          function_utils.get_func_name(callable_instance),
          "<.*SillyCallableClass.*>",
      )
  
imports: import functools
  from tensorflow.python.platform import test
  from tensorflow.python.util import function_utils
label_desc: Use image node_id 3 for calling the GetFuncNameTest obj's underlying member method code with example usage: obj.testWithCallableClass() without return types