def VerifyContentIsValid(self, contents, filename='fake.css'):
    self._create_file(contents, filename)
    results = self.checker.RunChecks()
    self.assertEqual(len(results), 0)
def VerifyContentIsValid(self, contents, filename='fake.css'):
    self._create_file(contents, filename)
    results = self.checker.RunChecks()
    self.assertEqual(len(results), 0)