Use navigate helper for ampersands-in-path test

Author: mislav

test/unit/pjax.js

@@ -1092,17 +1092,11 @@ if ($.support.pjax) {
     })
   })
 
-  asyncTest("copes with ampersands when pushing urls", function() {
-    var frame = this.frame
-
-    frame.$('#main').on('pjax:success', function() {
+  asyncTest("copes with ampersands when pushing urls", 2, function() {
+    navigate(this.frame)
+    .pjax({ url: "/some-&-path/hello.html", container: "#main" }, function(frame) {
       equal(frame.location.pathname, "/some-&-path/hello.html")
       equal(frame.location.search, "")
-      start()
-    })
-    frame.$.pjax({
-      url: "/some-&-path/hello.html",
-      container: "#main"
     })
   })
 }