Bug 1397612 - Skip TestQuitRestart.test_in_app_restart_safe_mode across all platforms. r=whimboo

testing/marionette/harness/marionette_harness/tests/unit/test_quit_restart.py

@@ -197,9 +197,8 @@ class TestQuitRestart(MarionetteTestCase):
         self.assertNotEqual(self.marionette.get_pref("startup.homepage_welcome_url"),
                             "about:about")
 
+    @skip("Bug 1397612 - Hang of Marionette client after the restart")
     def test_in_app_restart_safe_mode(self):
-        if self.marionette.session_capabilities["platformName"] != "linux":
-            raise unittest.SkipTest("Bug 1397612 - Hang of Marionette client after the restart.")
 
         def restart_in_safe_mode():
             with self.marionette.using_context("chrome"):