def addExpectedFail(self, offset, line):
        self._outcome(offset, line, self._xfail,
            self.parser._reading_xfail_details)
Check whether the instance conforms to the given format.
dataset/ETHPy150Open byt3bl33d3r/pth-toolkit/lib/python2.7/site-packages/samba/external/subunit/__init__.py/_InTest.addExpectedFail--crossover with--dataset/ETHPy150Open Julian/jsonschema/jsonschema/_format.py/FormatChecker.check