https://github.com/fleetdm/fleet/actions/runs/28218912241/job/83595668272
`cmd/fleetctl/fleetctl TestGitOpsAndroidCertificatesAdd`
`cmd/fleetctl/fleetctl TestGitOpsAndroidCertificatesChange`
`cmd/fleetctl/fleetctl TestGitOpsAndroidCertificatesDeleteOne`
Panic triggered due to missing mock
```
created by net/http.(*Server).Serve in goroutine 1296276
/opt/hostedtoolcache/go/1.26.4/x64/src/net/http/server.go:3464 +0x88a
gitops_test.go:6099:
Error Trace: /home/runner/work/fleet/fleet/cmd/fleetctl/fleetctl/gitops_test.go:6099
Error: Received unexpected error:
applying Android certificates: POST /api/latest/fleet/spec/certificates: do request: Post "http://127.0.0.1:39447/api/latest/fleet/spec/certificates": EOF (API time: 4ms)
Test: TestGitOpsAndroidCertificatesDeleteOne
```
## Testing
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Summary by CodeRabbit
* **Tests**
* Updated the test mocks used for GitOps and fleetctl scenarios to
support certificate template variable updates.
* Prevents failures when certificate template variable setting is
invoked during test runs.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Konstantin Sykulev
19caa5ce8c