linux-builder: Add ephemeral option to delete VM's disk image on service restart
#1213
tfctest.yml
on: pull_request
test-stable
6m 15s
test-unstable
10m 33s
install-against-stable
3m 19s
install-against-unstable
3m 55s
install-flake-against-stable
2m 53s
install-flake-against-unstable
2m 47s