change current url testing info output

tests/test_nginx_vhosts.py

@@ -92,7 +92,7 @@ def test_vhost(
     for port, proto in ports_info or [(80, False)]:
         for domain in domains or ["localhost"]:
             url = "%s://%s:%s" % (proto, domain, port)
-            u.info("testing url '%s' from %s" % (url, name))
+            u.info("- testing url '%s' from %s" % (url, name))
             if name.startswith("mediaserver") and not tested:
                 if not re.search(r"https?://%s" % domain, celerity_conf):
                     u.warning("url '%s' not found in celerity conf" % url)