caddy-frontend/test: Select ports for services

As the test runs in erp5.util.testnode, which has some ports reserved,
and they collide with default ports of caddy-frontend services, select
ports for those services, and leave out default for monitor, as test expects.

software/caddy-frontend/test/test.py

@@ -3588,6 +3588,10 @@ class TestDefaultMonitorHttpdPort(SlaveHttpFrontendTestCase, TestDataMixin):
   def getInstanceParameterDict(cls):
     return {
       '-frontend-1-state': 'stopped',
+      'port': HTTPS_PORT,
+      'plain_http_port': HTTP_PORT,
+      'nginx_port': NGINX_HTTPS_PORT,
+      'plain_nginx_port': NGINX_HTTP_PORT,
     }
 
   @classmethod