MD Settings: fix route query in tests

chrome/test/data/webui/settings/languages_page_browsertest.js

Index: chrome/test/data/webui/settings/languages_page_browsertest.js
diff --git a/chrome/test/data/webui/settings/languages_page_browsertest.js b/chrome/test/data/webui/settings/languages_page_browsertest.js
index a03eaa3d0f764dfb9e80bdb83e9098c5353cdd83..f1aa4328f5ed2296f737bb53da4f073f6fcea768 100644
--- a/chrome/test/data/webui/settings/languages_page_browsertest.js
+++ b/chrome/test/data/webui/settings/languages_page_browsertest.js
@@ -67,11 +67,18 @@ TEST_F('SettingsLanguagesPageBrowserTest', 'MAYBE_LanguagesPage', function() {
     }.bind(this));
 
     teardown(function(done) {

[tommycli, 2016/07/20 22:16:15]

This teardown is needed to navigate back after each test? Otherwise it's stuck
on the subpage after each test right?

[michaelpg, 2016/07/20 22:40:08]

yes, adjusted the comment

-      if (this.isAtRoot())
-        return done();
-      this.backToRoot();
-      setTimeout(done);
-    }.bind(this));
+      if (advanced.currentRoute.subpage.length == 0) {
+        done();
+      } else {
+        // Close the section.
+        advanced.currentRoute = {
+          page: 'advanced',
+          section: '',
+          subpage: [],
+        };
+        setTimeout(done);

[tommycli, 2016/07/20 22:16:15]

Does advanced.async make more sense?

[michaelpg, 2016/07/20 22:40:08]

No, the tests can become flaky that way. I think we need the timeout for the
animations (which are disabled but still require a new event loop)

+      }
+    });
 
     test('manage languages', function() {
       var manageLanguagesButton =