def failUnless(self, condition, msg=None):
        if not condition:
            raise self.failureException(msg)
        return condition
Checking modifying one column (single element, Row.update)
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/trial/unittest.py/_Assertions.failUnless--crossover with--dataset/ETHPy150Open PyTables/PyTables/tables/tests/test_tablesMD.py/UpdateRowTestCase.test05