vaapi: unittest, fix CreateInvalidHandleX11
vaapi: unittest, fix CreateInvalidHandleX11

use X11 display value 1 to create VaaiDisplay will crash the test. We
expect it death.

seanvk/libyami,01org/libyami,lizhong1008/libyami,yizhouwei/libyami,lizhong1008/libyami,yizhouwei/libyami,uartie/libyami,uartie/libyami,stripes416/libyami,lizhong1008/libyami,uartie/libyami,yizhouwei/libyami,01org/libyami,YuJiankang/libyami,YuJiankang/libyami,stripes416/libyami,stripes416/libyami,seanvk/libyami,seanvk/libyami,01org/libyami,YuJiankang/libyami