def testTaskExists__create(self):
        with self.assertRaises(errors.TaskExists):
            self.task.create('test')
Returns the position (relative to mark) represented by the specified index in the buffer.
dataset/ETHPy150Open xtrementl/focus/tests/unit/test_task.py/TestTask.testTaskExists__create--crossover with--dataset/ETHPy150Open scalyr/scalyr-agent-2/scalyr_agent/log_processing.py/LogFileIterator.__determine_mark_position