f001711 - redirect stderr for an individual test to devnull so that we don't

Authored and Committed by Nalin Dahyabhai 9 years ago
    - redirect stderr for an individual test to devnull so that we don't
      see stderr log messages
    - explicitly signal an successful end-of-test for every test so that
      we don't miss failures in cases when success wouldn't produce output
    
        
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