def METHOD_NAME(self):
    """
    Clean up after tests
    """
    ret = self.run_function("sysctl.get", [ASSIGN_CMD])
    if ret != self.val:
        self.run_function("sysctl.assign", [ASSIGN_CMD, self.val])
    if self.has_conf is True:
        # restore original sysctl file
        self.__restore_sysctl()
    if self.has_conf is False and os.path.isfile(CONFIG):
        # remove sysctl.conf created by tests
        os.remove(CONFIG)