How to use the uvloop._testbase.BaseTestCase function in uvloop

sslcontext.verify_mode = ssl.CERT_NONE
        return sslcontext

    @contextlib.contextmanager
    def _silence_eof_received_warning(self):
        # TODO This warning has to be fixed in asyncio.
        logger = logging.getLogger('asyncio')
        filter = logging.Filter('has no effect when using ssl')
        logger.addFilter(filter)
        try:
            yield
        finally:
            logger.removeFilter(filter)


class UVTestCase(BaseTestCase):

    implementation = 'uvloop'

    def new_loop(self):
        return uvloop.new_event_loop()

    def new_policy(self):
        return uvloop.EventLoopPolicy()


class AIOTestCase(BaseTestCase):

    implementation = 'asyncio'

    def setUp(self):
        super().setUp()

finally:
            logger.removeFilter(filter)


class UVTestCase(BaseTestCase):

    implementation = 'uvloop'

    def new_loop(self):
        return uvloop.new_event_loop()

    def new_policy(self):
        return uvloop.EventLoopPolicy()


class AIOTestCase(BaseTestCase):

    implementation = 'asyncio'

    def setUp(self):
        super().setUp()

        watcher = asyncio.SafeChildWatcher()
        watcher.attach_loop(self.loop)
        asyncio.set_child_watcher(watcher)

    def tearDown(self):
        asyncio.set_child_watcher(None)
        super().tearDown()

    def new_loop(self):
        return asyncio.new_event_loop()