[Webtest] Re-build Compile Error

[webtest@lists.canoo.com]

Hi Jacob,

I had a similar message when running my old suite in a new environment. 
Adding the junit-3.8.1.jar to my ant/lib/ solved the issue. 
The message is confusing, since the required class was on the classpath in my case and commenting the ExportProperty line in the webtestTaskdefs.properties just jumped to the next problem. 

Kay

>1) C:\JavaDev\Canoo\webtest\doc\samples\installTest.xml:41: taskdef = 
>A class needed by class com.canoo.webtest.extension.ExportProperty = 
>cannot be found: com/gargoylesoftware/htmlunit/ElementNotFoundException