MD Bookmarks: Prevent navigating to invalid folders

chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js

Index: chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
diff --git a/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js b/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
index abd219b453288a4f7c3ecc4f9f19a720e7dbcac1..2288eb0bea27ec414b736df47668248766963577 100644
--- a/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
+++ b/chrome/test/data/webui/md_bookmarks/md_bookmarks_browsertest.js
@@ -27,6 +27,20 @@ MaterialBookmarksBrowserTest.prototype = {
   ]),
 };
 
+function MaterialBookmarksActionsTest() {}
+
+MaterialBookmarksActionsTest.prototype = {
+  __proto__: MaterialBookmarksBrowserTest.prototype,
+
+  extraLibraries: MaterialBookmarksBrowserTest.prototype.extraLibraries.concat([
+    'actions_test.js',
+  ]),
+};
+
+TEST_F('MaterialBookmarksActionsTest', 'All', function() {
+  mocha.run();
+});
+
 function MaterialBookmarksAppTest() {}
 
 MaterialBookmarksAppTest.prototype = {