Add CI job to keep e2e upgrade test VM for a day.

Change-Id: I366a78d40a87ae4c491fdd1d8a32914f94a043c5
2 files changed
tree: c0263d391004babb4123437529758b5e46b04b7e
  1. jjb/
  2. .gitignore
  3. .gitreview
  4. .yamllint
  5. tox.ini