Don’t require a specific jQuery instance for jasmine jQuery matchers

Signed-off-by: Max Brunsfeld <maxbrunsfeld@gmail.com>

vendor/jasmine-jquery.js

@@ -141,7 +141,7 @@ jasmine.JQuery.matchersClass = {};
       if (this.actual instanceof HTMLElement) {
         this.actual = jQuery(this.actual);
       }
-      if (this.actual instanceof jQuery) {
+      if (this.actual && this.actual.jquery) {
         var result = jQueryMatchers[methodName].apply(this, arguments);
         this.actual = jasmine.JQuery.elementToString(this.actual);
         return result;