tests: drop expectedFailure from qubes_desktop_run test

qubes/tests/integ/vm_qrexec_gui.py

@@ -135,7 +135,6 @@ class TC_00_AppVMMixin(object):
 
     @unittest.skipUnless(spawn.find_executable('xdotool'),
                          "xdotool not installed")
-    @unittest.expectedFailure
     def test_012_qubes_desktop_run(self):
         self.loop.run_until_complete(self.testvm1.start())
         self.assertEqual(self.testvm1.get_power_state(), "Running")