Update attribute reader/writer test case's syntax.
Update attribute reader/writer test case's syntax.

Maxwell-Alexius/goby,Maxwell-Alexius/goby,goby-lang/goby,hachi8833/goby,goby-lang/goby,hachi8833/goby,st0012/Rooby,hachi8833/goby,st0012/Rooby,Maxwell-Alexius/goby,goby-lang/goby