Add JS files

include/jQuery/jquery-ui/tests/unit/resizable/resizable_test_helpers.js

@@ -0,0 +1,11 @@
+TestHelpers.resizable = {
+	drag: function( el, dx, dy ) {
+		// this mouseover is to work around a limitation in resizable
+		// TODO: fix resizable so handle doesn't require mouseover in order to be used
+		$( el ).simulate("mouseover").simulate( "drag", {
+			moves: 2,
+			dx: dx,
+			dy: dy
+		});
+	}
+};