Unit test changes some uses of .show() and .hide() to .css( "display", ... ),
there was already an implicit assumption in several of the existing tests.
Fixes gh-2193
Close gh-2648
IE 8 doesn't have indexOf on arrays. Also, one toLowerCase() was missing. Oops.
This commit is not necessary on master but has been brought here to keep
tests similar in both branches.
(cherry-picked from 1b48eef4ca)
IE 8 prints tag names in upper case which was breaking some tests.
This commit is not necessary on master but has been brought here to keep
tests similar in both branches.