server/xi2: add touchscreen mouse pointer emulation test
server/xi2: add touchscreen mouse pointer emulation test

Add a test case based on the bug fixed by
http://lists.x.org/archives/xorg-devel/2012-September/033595.html

Signed-off-by: Peter Hutterer <b9c50af7afa7642f6f854434cda9ffe54ece8b85@who-t.net>

freedesktop-unofficial-mirror/xorg__test__xorg-integration-tests,freedesktop-unofficial-mirror/xorg__test__xorg-integration-tests,freedesktop-unofficial-mirror/xorg__test__xorg-integration-tests