Cover non-'x' extensions in tests.
Cover non-'x' extensions in tests.

kollix/qxmpp,ycsoft/qxmpp,gamenet/qxmpp,kollix/qxmpp,ycsoft/qxmpp,gamenet/qxmpp,cccco/qxmpp,LightZam/qxmpp,KangLin/qxmpp,pol51/QXMPP-CMake,gotomypc/qxmpp,gamenet/qxmpp_old,gotomypc/qxmpp,gamenet/qxmpp_old,Kaffeine/qxmpp,Ilyatk/qxmpp,olesalscheider/qxmpp,LightZam/qxmpp,Ilyatk/qxmpp,KangLin/qxmpp,deepak899/qxmpp,LightZam/qxmpp,ycsoft/qxmpp,KangLin/qxmpp,pol51/QXMPP-CMake,olesalscheider/qxmpp,kollix/qxmpp,cccco/qxmpp,deepak899/qxmpp,gamenet/qxmpp_old,Kaffeine/qxmpp,gotomypc/qxmpp,pol51/QXMPP-CMake,Kaffeine/qxmpp,cccco/qxmpp,gamenet/qxmpp,Ilyatk/qxmpp,olesalscheider/qxmpp,deepak899/qxmpp