Inverse unicorn and redis steps in failback

Restarting unicorn may resolve an issue about redis expecting to be a master but being a slave, so we should do that first
2 jobs for failback-redis-unicorn in 17 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #2727952
references

00:00:17

passed #2727951
shellcheck

00:00:17