code: @Override
  	public void onStart(TestContext<Object> context) {
  		oldErr = System.err;
  		oldOut = System.out;
  		try {
  			System.setErr(remplacementErr);
  			System.setOut(remplacementOut);
  		} catch (SecurityException e) {
  			// ignored
  		}
  	}
docs: /*
  (non-Javadoc)
  
  @see
  ch.powerunit.rules.TestListenerRule#onStart(ch.powerunit.TestContext)