erp5testnode: Choose unusal monitor port

Software tested inside of erp5testnode uses default monitor port, so free
it for them.

software/erp5testnode/buildout.hash.cfg

@@ -18,4 +18,4 @@ md5sum = 307663d73ef3ef94b02567ecd322252e
 
 [template-default]
 filename = instance-default.cfg
-md5sum = a76803eedf0c66fe7649b62efc86c8fe
+md5sum = e8f8f29b9af7d9017dc34d638fe07c5a

software/erp5testnode/instance-default.cfg

@@ -24,6 +24,9 @@ recipe = slapos.cookbook:publish
 url = $${shellinabox-frontend:url}
 frontend-url = $${testnode-frontend:connection-secure_access}
 
+[monitor-instance-parameter]
+monitor-httpd-port = 48196
+
 [pwgen]
 recipe = slapos.cookbook:generate.password
 storage-path = $${buildout:directory}/.password