invalid-bytes-returned:36:4:37:20:FirstBadBytes.__bytes__:__bytes__ does not return bytes:UNDEFINED
invalid-bytes-returned:43:4:44:16:SecondBadBytes.__bytes__:__bytes__ does not return bytes:UNDEFINED
invalid-bytes-returned:50:4:51:36:ThirdBadBytes.__bytes__:__bytes__ does not return bytes:UNDEFINED
