ci: bump testsuite SHA to fcbfd6a (fix smoke exit code)

[castrojo]

Bumps testsuite SHA to fcbfd6a (was 303e716) which adds all e2e workflow fixes including the critical Patch 5 that wraps stop_display_manager() in try/except.

Without this fix, E2E smoke always exits code 1 (CalledProcessError on sudo systemctl stop gdm inside the container — no systemd PID 1), masking all 50 passing scenarios.

Fixes included since 25c9ad0 (previous pin):

• Revert "feat(bluefin, gschemas): specify mutter experimental features… #321: dnf fallback for brew CLI tools
• chore(bazaar): update curated jellyfin to org.jellyfin.JellyfinDesktop #322: AT-SPI re-query after toolkit-accessibility
• fix: removing tailscale from the enabled extensions list #323: rpm-ostree --apply-live fallback on ostree images
• fix: removing search-light from the enabled extensions until there's a fix #324: stop bootc/rpm-ostree lock before install
• Removal of Sound Recorder in favor of Decibels #325: ignore fwupd-refresh.service in VM health check
• Update bluefin-nvidia images to latest working kernel, monthly #327: wrap stop_display_manager() in try/except (critical — fixes exit code 1)

This is the minimum required to get green E2E smoke runs in all consumer repos.

Co-authored-by: Copilot 223556219+Copilot@users.noreply.github.com

Summary by CodeRabbit

• Chores
  • Updated CI workflow reference to a newer pinned revision of a downstream reusable workflow. This is an internal CI maintenance change with no changes to runtime behavior or public interfaces. User-facing impact is minimal; tests and automation consume the updated workflow reference.

[coderabbitai]

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 26ff2e65-773d-4723-9390-5a335f235e2f

📥 Commits

Reviewing files that changed from the base of the PR and between 6abaafb and 4c7ca28.

📒 Files selected for processing (1)

• .github/workflows/run-testsuite.yml

📝 Walkthrough

Hidden review stack artifact

Walkthrough

The GitHub Actions workflow run-testsuite.yml updates its downstream dependency reference, bumping the pinned commit SHA for the projectbluefin/testsuite e2e reusable workflow to a newer commit on main.

Changes

Downstream Workflow Reference Update

Layer / File(s)	Summary
Downstream workflow commit reference update .github/workflows/run-testsuite.yml	The uses: directive pinning the projectbluefin/testsuite e2e reusable workflow is bumped to a newer commit SHA on main.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 I nudged a SHA from old to new,
A tiny hop the workflows flew,
E2E's called with firmer frame,
Downstream paths still speak the same,
I twitch my nose and clap—huzzah!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: updating the testsuite SHA to fix the smoke exit code issue, which is the primary objective of this PR.
Description check	✅ Passed	The PR description provides detailed context about the testsuite SHA bump, explains the critical fix, and lists all related patches since the previous pin.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/bump-testsuite-sha-303e716

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[castrojo]

Superseded by fresh PR with updated SHA 20fb066