Set timeout to 10s in Nginx test.

tests/test_nginx_vhosts.py

@@ -37,7 +37,7 @@ else:
             url = '%s://%s' % ('https' if https else 'http', domain)
             sys.stdout.write('Testing url "%s": ' % url)
             try:
-                req = requests.get(url, verify=False, timeout=5)
+                req = requests.get(url, verify=False, timeout=10)
             except Exception as e:
                 code = str(e)
             else: