fix test failure...
fix test failure...

jyx140521/uiautomator,mcdaniel67/uiautomator,TheLady/uiautomator,openatx/atx-uiautomator,wirelesscollege/uiautomatorpython,xsqorange/uiautomator,samdfonseca/uiautomator,VikingDen/uiautomator,emmahuang/uiautomator,0xr0ot/uiautomator,hgl888/uiautomator,ssmail/uiautomator,xiaocong/uiautomator