Add test for "Regression in v3.8.x PopulateFeedBacklog depends on un-started InboxReader" #354

	---
	name: Close trivial PRs

	on:
	pull_request_target:
	types: [labeled]

	jobs:
	close-trivial-pr:
	if: github.event.label.name == 'trivial'
	runs-on: ubuntu-4
	permissions:
	pull-requests: write

	steps:
	- name: Fetch CONTRIBUTING.md snippet
	id: snippet
	env:
	REPO: ${{ github.repository }}
	run: \|
	SNIPPET=$(curl -sSfL "https://raw.githubusercontent.com/${REPO}/refs/heads/master/CONTRIBUTING.md" \
	\| sed -n '/<!-- start-trivial-prs -->/,/<!-- end-trivial-prs -->/p' \
	\| sed '/<!--.*-->/d')

	# Use GitHub Actions heredoc-style output to preserve multiline content
	echo "snippet<<EOF" >> $GITHUB_OUTPUT
	echo "$SNIPPET" >> $GITHUB_OUTPUT
	echo "EOF" >> $GITHUB_OUTPUT

	- name: Comment and Close PR
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	PR_NUMBER=${{ github.event.pull_request.number }}
	REPO=${{ github.repository }}
	DEF_BRANCH=${{ github.event.repository.default_branch }}
	SNIPPET="${{ steps.snippet.outputs.snippet }}"

	gh pr close $PR_NUMBER --repo $REPO --comment \
	"Thank you for your contribution. However, this PR has been automatically closed because \
	it was labeled as trivial. As stated in our [CONTRIBUTING.md](../blob/${DEF_BRANCH}/CONTRIBUTING.md):

	---

	${SNIPPET}

	---

	We appreciate meaningful contributions!"

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