F                                                                        [100%]
=================================== FAILURES ===================================
______ test_server_disconnect_error_is_not_logged_as_application_failure _______

    async def test_server_disconnect_error_is_not_logged_as_application_failure():
        started, finished = asyncio.Event(), asyncio.Event()
        reports = []
        async def app(scope, receive, send):
            await receive()
            started.set()
            try:
                assert (await receive())['type'] == 'http.disconnect'
                await reply(send)
            finally:
                finished.set()
        loop = asyncio.get_running_loop()
        previous = loop.get_exception_handler()
        loop.set_exception_handler(lambda _, context: reports.append(context))
        try:
            async with running(app) as (_, address):
                _, writer = await asyncio.open_connection(*address)
                writer.write(b'GET / HTTP/1.1\r\nHost: x\r\n\r\n')
                await asyncio.wait_for(started.wait(), 2)
                writer.close()
                await writer.wait_closed()
                await asyncio.wait_for(finished.wait(), 2)
>           assert reports == []
E           AssertionError: assert [{'exception'...tion failed'}] == []
E             
E             Left contains one more item: {'exception': OSError('Client disconnected'), 'message': 'ASGI application failed'}
E             Use -v to get more diff

tests/test_http.py:724: AssertionError
=========================== short test summary info ============================
FAILED tests/test_http.py::test_server_disconnect_error_is_not_logged_as_application_failure
1 failed in 0.08s