[server-pro] add more e2e tests for Server Pro GitOrigin-RevId: 003a92ae6c12b58d1d31679f9d9e54d83cfc4a1e
[server-ce] e2e tests: add capability for reconfiguring the instance GitOrigin-RevId: 44ec800b5b37497b3122310a94f637c24ff2667a