t/525: remove flaky focus check
t/525: remove flaky focus check

stapelberg/i3,stapelberg/i3,Airblader/i3,Airblader/i3-original,Airblader/i3,i3/i3,stapelberg/i3,Airblader/i3-original,Airblader/i3-original,stapelberg/i3,Airblader/i3,i3/i3,i3/i3,Airblader/i3,i3/i3,Airblader/i3-original,Airblader/i3-original