unittest: jpeg parser, fix unit test regression introduced by previous commit
unittest: jpeg parser, fix unit test regression introduced by previous commit

stripes416/libyami,01org/libyami,YuJiankang/libyami,stripes416/libyami,01org/libyami,stripes416/libyami,YuJiankang/libyami,01org/libyami,YuJiankang/libyami