'NONE returns an anomaly if there are no results.'

def testCheckNone(self):

    matcher = checks.Matcher(['NONE'], self.hint)
    for baseline in self.baselines:
        self.assertIsInstance(matcher.Detect(baseline, self.none), checks.CheckResult)
        for result in [self.one, self.some]:
            self.assertFalse(matcher.Detect(baseline, result))
