fix webserver test

Author: bisgaard-itis

services/web/server/tests/unit/isolated/test_diagnostics_healthcheck.py

@@ -173,7 +173,7 @@ async def delay_response(request: web.Request):
 def test_diagnostics_setup(client: TestClient):
     assert client.app
     assert {m.__middleware_name__ for m in client.app.middlewares} == {
-        "servicelib.aiohttp.monitoring.monitor_simcore_service_webserver",
+        "servicelib.aiohttp.monitoring.monitor_simcore-service-webserver",
         "servicelib.aiohttp.rest_middlewares.envelope_v0",
         "servicelib.aiohttp.rest_middlewares.error_v0",
         "simcore_service_webserver.session.plugin.session",