Accessing web.xml from unit tests? getResourc eAsStream…

We're using Eclipse and Maven. I've got some unit tests for a web  
application (war packaging), and I'd like to pull in web.xml for  
servletunit. I was being really deeply and exceedingly lazy and using:

     new ServletRunner(new File("./src/webapp/web.xml"), "/context");

This smacks of ‘the wrong way to do it’ to me, but it was sufficient  
for the task at hand.

And it worked fine under Eclipse, but then I went to mvn test before  
committing; to my disappointment, Maven runs the unit tests relative  
to the parent pom, more often than not, so I can't use a relative  
path. After some research I tried this instead:

     new ServletRunner(Thread.getContextClassLoader 
().getResourceAsStream("/WEB-INF/web.xml"), "/context");

That gets me no love, though. Am I using the wrong path? I've tried  
several different methods of getting class loaders, and several  
different path names, but to no avail. Is anyone else doing this? And  
please forgive any naiveté regarding Java resource handling. :)

In the meantime, I'm hardcoding the registerServlet calls, but I  
don't like the duplication.

— G