___________________________________ test_sni ___________________________________

loop = <tornado.platform.asyncio.AsyncIOMainLoop object at 0x7fa96cb75730>

    def test_sni(loop):
        port = open_port()
        with popen(["dask-scheduler", "--no-dashboard", f"--port={port}"] + tls_args) as s:
            with popen(
                [
                    "dask-worker",
                    "--no-dashboard",
                    "--scheduler-sni",
                    "localhost",
                    f"tls://127.0.0.1:{port}",
                ]
                + tls_args
            ) as w:
                with Client(
                    f"tls://127.0.0.1:{port}", loop=loop, security=tls_security()
                ) as c:
>                   wait_for_cores(c)

distributed/cli/tests/test_tls_cli.py:60: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

c = <Client: 'tls://10.213.3.122:50230' processes=0 threads=0, memory=0 B>
nthreads = 1

    def wait_for_cores(c, nthreads=1):
        start = time()
        while len(c.nthreads()) < 1:
            sleep(0.1)
>           assert time() < start + 10
E           assert 1665511027.440665 < (1665511017.4086459 + 10)
E            +  where 1665511027.440665 = time()

distributed/cli/tests/test_tls_cli.py:30: AssertionError

>           assert time() < start + 10
E           assert 1665511027.440665 < (1665511017.4086459 + 10)
E            +  where 1665511027.440665 = time()