zuul/tests/fixtures/layouts/repo-checkout-timer-override.yaml

- pipeline:
    name: periodic
    manager: independent
    trigger:
      timer:
        - time: '* * * * * */1'

- job:
    name: integration
    branches: master
    override-branch: stable/havana
    required-projects:
      - org/project1

- project:
    name: org/project1
    periodic:
      jobs:
        - integration