Revert "Updating QUnit." This commit actually reverted QUnit.

This reverts commit f9cccd05b66d7ae7a5e4010220a491e91201c35e.

diff --git a/test/qunit b/test/qunit
index 9887663380693009874e8c76f0bf77a921931766..d97b37ec322136406790e75d03333559f38bbecb 160000 (submodule)
--- a/test/qunit
+++ b/test/qunit
@@ -1 +1 @@
-Subproject commit 9887663380693009874e8c76f0bf77a921931766
+Subproject commit d97b37ec322136406790e75d03333559f38bbecb