[Backport 17.8] Replace #test-platform in favour of #s_developer_experience

What does this MR do and why?

This MR backports a fix to the Danger message warning that the job e2e:test-on-omnibus-ee must complete before merging MRs, which would point to a deprecated Slack channel (#test-platform) in favour of #s_developer_experience to version 17.8.

See:

• Backported commit: fb0ef97b
• Relevant issue: Update Danger message on GitLab project to poin... (gitlab-com/gl-infra/delivery#20960 - closed)

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• This MR is backporting a bug fix, documentation update, or spec fix, previously merged in the default branch.
• The MR that fixed the bug on the default branch has been deployed to GitLab.com (not applicable for documentation or spec changes).
• This MR has a severity label assigned (if applicable).
• Set the milestone of the merge request to match the target backport branch version.
• This MR has been approved by a maintainer (only one approval is required).
• Ensure the e2e:test-on-omnibus-ee job has either succeeded or been approved by a Software Engineer in Test.

Note to the merge request author and maintainer

If you have questions about the patch release process, please:

• Refer to the patch release runbook for engineers and maintainers for guidance.
• Ask questions on the #releases Slack channel (internal only).

assigned to @acafefebrissy

added pipelinetier-1 label

Proper labels assigned to this merge request. Please ignore me.

@acafefebrissy - please see the following guidance and update this merge request.

	1 Error
	Please add typebug typefeature, or typemaintenance label to this merge request.

added QA backend development guidelines docsimprovement documentation maintenancerefactor typemaintenance labels

	3 Warnings
	0a534636: The commit body should not contain more than 72 characters per line. For more information, take a look at our Commit message guidelines.
	Backporting to older releases requires an exception request process
	The e2e:test-on-omnibus-ee job needs to succeed or have approval from a Software Engineer in Test. Read the "QA e2e:test-on-omnibus-ee" section for more details.

	2 Messages
	CHANGELOG missing: If this merge request needs a changelog entry, add the Changelog trailer to the commit message you want to add to the changelog. If this merge request doesn't need a CHANGELOG entry, feel free to ignore this message.
	This MR contains docs in the /doc/development directory, but any Maintainer (other than the author) can merge. You do not need tech writer review.

Reviewer roulette

Category	Reviewer	Maintainer
backend	@davidhampgonsalves (UTC-3)	@ahuntsman (UTC-5)
QA	@vishal.s.patel (UTC+13)	Maintainer review is optional for QA

Please refer to documentation page for guidance on how you can benefit from the Reviewer Roulette, or use the GitLab Review Workload Dashboard to find other available reviewers.

QA e2e:test-on-omnibus-ee

@acafefebrissy, the e2e:test-on-omnibus job must complete before merging this merge request.*

If there are failures on the e2e:test-on-omnibus pipeline, ask for assistance from a Software Engineer in Test (SET) on the #s_developer_experience Slack channel to confirm the failures are unrelated to the merge request.

If needed, you can retry the danger-review job that generated this comment.

Generated by Danger

resolved all threads

added typebug label and removed typemaintenance label

removed maintenancerefactor label

added maintenancerefactor typemaintenance labels and removed typebug label

E2E Test Result Summary

allure-report-publisher generated test report!

e2e-test-on-omnibus: test report for 0a534636

expand test summary

+---------------------------------------------------------------------+
|                           suites summary                            |
+----------------+--------+--------+---------+-------+-------+--------+
|                | passed | failed | skipped | flaky | total | result |
+----------------+--------+--------+---------+-------+-------+--------+
| Create         | 573    | 0      | 77      | 3     | 650   | ✅     |
| Data Stores    | 145    | 0      | 41      | 0     | 186   | ✅     |
| Govern         | 347    | 0      | 40      | 0     | 387   | ✅     |
| Secure         | 20     | 0      | 9       | 0     | 29    | ✅     |
| Verify         | 204    | 0      | 76      | 0     | 280   | ✅     |
| Plan           | 329    | 0      | 32      | 0     | 361   | ✅     |
| Release        | 20     | 0      | 4       | 0     | 24    | ✅     |
| Package        | 102    | 0      | 56      | 0     | 158   | ✅     |
| Manage         | 31     | 0      | 44      | 0     | 75    | ✅     |
| Monitor        | 36     | 0      | 49      | 0     | 85    | ✅     |
| Fulfillment    | 10     | 0      | 28      | 0     | 38    | ✅     |
| Systems        | 6      | 0      | 1       | 0     | 7     | ✅     |
| Analytics      | 9      | 0      | 0       | 0     | 9     | ✅     |
| ModelOps       | 0      | 0      | 4       | 0     | 4     | ➖     |
| Ai-powered     | 1      | 0      | 8       | 0     | 9     | ✅     |
| Configure      | 1      | 0      | 12      | 0     | 13    | ✅     |
| Growth         | 0      | 0      | 8       | 0     | 8     | ➖     |
| GitLab Metrics | 2      | 0      | 1       | 0     | 3     | ✅     |
+----------------+--------+--------+---------+-------+-------+--------+
| Total          | 1836   | 0      | 490     | 3     | 2326  | ✅     |
+----------------+--------+--------+---------+-------+-------+--------+

e2e-test-on-gdk: test report for 0a534636

expand test summary

+------------------------------------------------------------------+
|                          suites summary                          |
+-------------+--------+--------+---------+-------+-------+--------+
|             | passed | failed | skipped | flaky | total | result |
+-------------+--------+--------+---------+-------+-------+--------+
| Package     | 24     | 0      | 14      | 0     | 38    | ✅     |
| Verify      | 50     | 0      | 20      | 3     | 70    | ✅     |
| Data Stores | 33     | 0      | 10      | 0     | 43    | ✅     |
| Create      | 138    | 0      | 20      | 4     | 158   | ✅     |
| Plan        | 82     | 0      | 8       | 0     | 90    | ✅     |
| Fulfillment | 2      | 0      | 7       | 0     | 9     | ✅     |
| Govern      | 80     | 0      | 12      | 0     | 92    | ✅     |
| Growth      | 0      | 0      | 2       | 0     | 2     | ➖     |
| Manage      | 1      | 0      | 9       | 0     | 10    | ✅     |
| Release     | 5      | 0      | 1       | 0     | 6     | ✅     |
| Monitor     | 8      | 0      | 12      | 0     | 20    | ✅     |
| ModelOps    | 0      | 0      | 1       | 0     | 1     | ➖     |
| Analytics   | 2      | 0      | 0       | 0     | 2     | ✅     |
| Secure      | 4      | 0      | 3       | 2     | 7     | ✅     |
| Configure   | 0      | 0      | 3       | 0     | 3     | ➖     |
| Ai-powered  | 0      | 0      | 2       | 0     | 2     | ➖     |
+-------------+--------+--------+---------+-------+-------+--------+
| Total       | 429    | 0      | 124     | 9     | 553   | ✅     |
+-------------+--------+--------+---------+-------+-------+--------+

marked this merge request as ready

mentioned in issue gitlab-com/gl-infra/delivery#20960 (closed)

marked the checklist item Ensure the e2e:test-on-omnibus-ee job has either succeeded or been approved by a Software Engineer in Test. as completed

changed milestone to %17.8

requested review from @ahuntsman, @vishal.s.patel, and @bucoleary

approved this merge request

added pipeline:mr-approved label

added pipelinetier-3 pipeline:run-e2e-omnibus-once labels and removed pipelinetier-1 label

Before you set this MR to auto-merge

This merge request will progress on pipeline tiers until it reaches the last tier: pipelinetier-3. We will trigger a new pipeline for each transition to a higher tier.

Before you set this MR to auto-merge, please check the following:

• You are the last maintainer of this merge request
• The latest pipeline for this merge request is pipelinetier-3 (You can find which tier it is in the pipeline name)
• This pipeline is recent enough (created in the last 8 hours)

If all the criteria above apply, please set auto-merge for this merge request.

See pipeline tiers and merging a merge request for more details.

@ahuntsman, thanks for approving this merge request.

This is the first time the merge request has been approved. Please ensure the e2e:test-on-omnibus-ee job has succeeded. If there is a failure, a Software Engineer in Test (SET) needs to confirm the failures are unrelated to the merge request. Ask for assistance on the #s_developer_experience Slack channel.