No need to duplicate Sizzle tests, just run them directly from Sizzle.

test/index.html

@@ -35,7 +35,7 @@
 	<script src="unit/queue.js"></script>
 	<script src="unit/attributes.js"></script>
 	<script src="unit/event.js"></script>
-	<script src="unit/selector.js"></script>
+	<script src="../src/sizzle/test/unit/selector.js"></script>
 	<script src="unit/traversing.js"></script>
 	<script src="unit/manipulation.js"></script>
 	<script src="unit/css.js"></script>