Method fail

Lib/unittest/case.py:753–755

Fail immediately, with the given message.

(self, msg=None)

        raise SkipTest(reason)

    def fail(self, msg=None):
        """Fail immediately, with the given message."""
        raise self.failureException(msg)

    def assertFalse(self, expr, msg=None):
        """Check that the expression is false."""