Comment 4 for bug 1583298

$ click-review -v /tmp/foo_1.0_amd64.snap
...
 - lint-snap-v2:epoch_valid
 OK

$ cat meta/snap.yaml
apps:
  bar:
    command: bin/bar
architectures:
- amd64
description: 'stuff here'
name: foo
plugs:
  opengl: null
  pulseaudio: null
  unity7: null
summary: stuff
version: 1.0
epoch: 2