pytest 测试 async for以及 async 方法

参考：https://thenonfunctionaldev.com/tutorial-async-tdd-with-pytest-asyncio/

　　https://pytest-with-eric.com/pytest-advanced/pytest-asyncio/

测试 async for resp in 方法

from aiostream.stream import list as alist

async def xx_method():
    async for resp in xx_method1():
        yield resp

@pytest.mark.asyncio
async def test_xx_method():
    data = await alist(xx_method())
    print(data)