grab: Add tests for a couple active grab scenarios after touch begins

3 jobs for master in 1 minute and 42 seconds
Status Job ID Name Coverage
  Prep
passed #7315740
container-prep

00:00:12

 
  Install Xserver
passed #7315741
xserver-build

00:00:57

 
  Build
passed #7315742
build

00:00:32