[Newbies] unit tests for missing methods

[Mark Volkmann]

I wrote a test for a method that doesn't exist yet and ran it to see  
what would happen. I expected it would say something about  
doesNotUnderstand. Instead I got a fairly deep stack trace where the  
first two lines indicate that I got a signalFailure from the assert  
method in TestCase. I'm curious why I don't get something a little  
more descriptive.

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Mark Volkmann