Bug 492482 - [Linux] mochitest-a11y: content/a11y/accessible/test_aria_role_grid.html needs to report 'todo', r=marcoz

accessible/tests/mochitest/test_aria_role_grid.html

@@ -100,7 +100,9 @@
           }
         ]
       };
-      if (!LINUX) // Do not test on linux because of different hierarchies.
+      if (LINUX)
+        todo(false, "No tests on linux because of different hierarchies.");
+      else
         testAccessibleTree("grid", accTree);
 
       SimpleTest.finish();