code: def testPosOnly(self):
      self.assertEqual(
          self._matmul_func.canonicalize(2, 3),
          [2, 3, False, False, False, False, False, False, None],
      )
  
file_path: tensorflow-upstream/tensorflow/python/util/function_parameter_canonicalizer_test.py
imports: from tensorflow.python.platform import test
  from tensorflow.python.util import _function_parameter_canonicalizer_binding_for_test
label_desc: Use image node_id 2 for calling the FunctionParameterCanonicalizerTest obj's underlying member method code with example usage: obj.testPosOnly() without return types