Squish: snooze before restarting Creator in tst_installed_languages

Change-Id: Ie548e034f74eeb201e9475950487fc636576ce10
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

tests/system/suite_general/tst_installed_languages/test.py

@@ -16,6 +16,7 @@ def main():
         clickButton(waitForObject(":Restart required.OK_QPushButton"))
         invokeMenuItem("File", "Exit")
         waitForCleanShutdown()
+        snooze(4) # wait for complete unloading of Creator
         overrideStartApplication()
         startApplication("qtcreator" + SettingsPath)
         try: