Decreased timeout

tests/test-jupyter-vm.yml

@@ -12,7 +12,7 @@
     vars:
       paas_ci_test:
         template_url: https://baltig.infn.it/infn-cloud/tosca-templates/-/raw/master/jupyter/jupyter_vm.yaml
-        n_timeout_ticks: 18
+        n_timeout_ticks: 15
         inputs: |
           '{ "enable_monitoring": "true", "users": [{"os_user_add_to_sudoers": true, "os_user_name": "scans", "os_user_ssh_public_key": "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCmQvE3sXtg4D/KYzhCdP6cICvy5foeSkHenKTisxdGJK8L0cDmV+4k7fIah1GIXrldjQBGWHSTbIj1qRTXG2OPWFxeDoXIN1FyKxwdOgwIfzIRtVq18VZEqt9eOiNUXN8jGoEAgcU7obqXuPqKAndk4tyOnSDuVnfnZWAiesVvWK16GEq0PAxBhJoX3eq501ilsNnJZDMEnvQEgtFuIbADEanrhRV3yaEca+9vFyOQRkyxDF8Gn6P/wZ4oe35bdgXxi/hg8JVKYbDCLlT+Fdi+OC3trRhwCcBSvDFD0ZQ8oLemzUk+732TqR+I8gVjPE9fiNF+/mrj5OX55SDr8Qgf scans"}]}'
         endpoints_to_scan: |