Changed log type for skipped tests

tests/test_monitoring.py

@@ -27,7 +27,7 @@ def check_munin():
             u.error('Munin directory "%s" not found.' % MUNIN_WWW_PATH)
             return 1
         else:
-            u.error('Munin is not installed.')
+            u.info('Munin is not installed, test skipped.')
             return 2
 
     # get cpu day graph of each host

tests/test_nginx_vhosts.py

@@ -185,7 +185,7 @@ def main():
     # check that Nginx dir exists
     nginx_dir = "/etc/nginx/sites-enabled"
     if not Path(nginx_dir).exists():
-        u.error("nginx dir does not exists ('%s')." % nginx_dir)
+        u.info("nginx dir does not exists ('%s'), test skipped." % nginx_dir)
         exit(2)
 
     # check that Wowza is installed