public void ObserverField1()
{
String expected = "<script type=\"text/javascript\">" +
"new Form.Element.Observer('fieldid', 1, " +
"function(element, value) { new Ajax.Updater('elementtoupdate', " +
"'update.rails', {asynchronous:true, evalScripts:true, parameters:'value=' + value}) })</script>";
String actual = helper.ObserveField("fieldid", 1, "update.rails", new DictHelper().CreateDict("update=elementtoupdate") );
Assert.AreEqual(expected, actual);
}