Squish: Hack for fixing waitForCleanShutdown()

Change-Id: I925a59fdd96f161a324375ebee4b4588dfd035fb
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

tests/system/shared/qtcreator.py

@@ -63,6 +63,7 @@ def waitForCleanShutdown(timeOut=10):
                     shutdownDone=True
             if not shutdownDone and datetime.utcnow() > endtime:
                 break
+    snooze(1)
 
 def __removeTmpSettingsDir__():
     waitForCleanShutdown()