def assertNotLogMatches(self, expected_regexp, msg=None):
    format = '%s: %%r was found in log' % (msg or 'Regexp matches')
    self._AssertLogMatches(expected_regexp, True, format)
Fail the test if the intercepted log *does* match the regular
dataset/ETHPy150Open viewfinderco/viewfinder/backend/base/testing.py/LogMatchTestCase.assertNotLogMatches