- Tier 0 is defined by `plans/tier0.fmf`. The pipelines take care of
running it. The results are presented as "osci.tier0".
- Tier 1 is configured in, triggered and executed by BaseOS CI. The
respective jobs there are called:
baseos-ci.brew-build.gate-build-fast-lane.functional
baseos-ci.brew-build.gate-build-slow-lane.functional
Here in `gating.yaml`, we just tell GitLab OSCI that is must wait
for these jobs and they must pass for successful gating. The results
are presented under the same names as the jobs have.
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