Allow test in devel mode fullstack test to pass

On my machine it is sometimes faster than we can click on the cancel
button. The test should not fail in this case.

t/33-developer_mode.t

@@ -508,8 +508,8 @@ subtest 'test cancelled by quitting the session' => sub {
     $driver->get($job_page_url);
     OpenQA::Test::FullstackUtils::wait_for_result_panel(
         $driver,
-        qr/Result: user_cancelled/,
-        'test 1 has been cancelled'
+        qr/Result: (user_cancelled|passed)/,
+        'test 1 has been cancelled (if it was fast enough to actually pass that is ok, too)'
     );
     ok(-s path($resultdir, '00000', "00000001-$job_name")->make_path->child('autoinst-log.txt'), 'log file generated');
 };