fix deferred_multi_app test and change test status to reflect dartium fix

tests/html/html.status

Index: tests/html/html.status
diff --git a/tests/html/html.status b/tests/html/html.status
index 6f94c6113dfec7c8e4b0316c79b8ec03e6961810..de9f506e9a988653338c37de3500bd11ed878488 100644
--- a/tests/html/html.status
+++ b/tests/html/html.status
@@ -14,7 +14,6 @@ indexeddb_1_test/functional: Skip # Issue 19512 (timing out)
 indexeddb_4_test: Skip # Issue 19726
 mouse_event_test: Fail # Issue 20437
 worker_api_test: Fail # Issue 10223
-two_scripts_htmltest: Fail # Issue 16603
 media_stream_test/constructors: Pass, Crash # Issue 22267
 
 [ $compiler == none && $mode == debug && ($runtime == drt || $runtime == dartium || $runtime == ContentShellOnAndroid) ]
@@ -103,9 +102,6 @@ audiocontext_test/functional: Skip # Renderer crash. Issue 22327
 [$runtime == drt || $runtime == dartium || $runtime == chrome || $runtime == chromeOnAndroid || $runtime == ContentShellOnAndroid ]
 webgl_1_test: Pass, Fail # Issue 8219
 
-[ ($compiler == none || $compiler == dart2dart) ]
-deferred_multi_app_htmltest: Fail # Issue 16603
-
 [ $compiler == none && ($runtime == drt || $runtime == dartium) && $system == windows]
 websql_test: Skip # Issue 4941: stderr contains a backtrace.