AssertEqual(expect_ok,result.IsOk,$"Runtime.getProperties returned {result.IsOk} instead of {expect_ok}, for {cfo_args.ToString()}, with Result: {result}");
AssertEqual(expect_ok,frame_props.IsOk,$"Runtime.getProperties returned {frame_props.IsOk} instead of {expect_ok}, for {get_prop_req}, with Result: {frame_props}");