docs: function (needle, haystack,
                             message) {
  
          YUITest.Assert._increment();
  
          if (this._indexOf(haystack, needle) == -1){
              YUITest.Assert.fail(YUITest.Assert._formatMessage(message, "Value " + needle + " (" + (typeof needle) + ") not found in array [" + haystack + "]."));
          }
      }