buffer->length);
  EXPECT_EQ(expected_serialized, actual_string);

  TF_GraphGetOpDef(graph, "MyFakeOp", buffer, status);
  EXPECT_EQ(TF_NOT_FOUND, TF_GetCode(status));
  ExpectHasSubstr(TF_Message(status),
                  "Op type not registered 'MyFakeOp' in binary");

  TF_DeleteBuffer(buffer);
  TF_DeleteGraph(graph);
  TF_DeleteStatus(status);
}