code: def testOpCall_UnknownProperty(self):
      with self.assertRaisesRegex(KeyError, "Unknown property bar."):
          Foo(DUMMY_INPUT_NODE, foo=42, bar="zz")
  
imports: import copy
  from typing import Optional, Mapping, Set
  import tensorflow
  from tfx.dsl.input_resolution import resolver_op
  import tfx.types
  from tfx.types import standard_artifacts
label_desc: Use image node_id 4 for calling the ResolverOpTest obj's underlying member method code with example usage: obj.testOpCall_UnknownProperty() without return types