[NIT-2851] Use flag instead of env var for system_test #2731

	name: Merge Checks

	on:
	pull_request_target:
	branches: [ master ]
	types: [synchronize, opened, reopened, labeled, unlabeled]

	permissions:
	statuses: write

	jobs:
	check-design-approved:
	name: Check if Design Approved
	runs-on: ubuntu-latest
	steps:
	- name: Check if design approved and update status
	run: \|
	set -x pipefail
	status_state="pending"
	if ${{ contains(github.event.pull_request.labels..name, 'design-approved') && !contains(github.event.pull_request.labels..name, 'after-next-version') }}; then
	status_state="success"
	else
	resp="$(curl -sSL --fail-with-body \
	-H "Accept: application/vnd.github+json" \
	-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
	-H "X-GitHub-Api-Version: 2022-11-28" \
	"https://api.github.com/repos/$GITHUB_REPOSITORY/commits/${{ github.event.pull_request.head.sha }}/statuses")"
	if ! jq -e '.[] \| select(.context == "Design Approved Check")' > /dev/null <<< "$resp"; then
	# Design not approved yet and no status exists
	# Keep it without a status to keep the green checkmark appearing
	# Otherwise, the commit and PR's CI will appear to be indefinitely pending
	# Merging will still be blocked until the required status appears
	exit 0
	fi
	fi
	curl -sSL --fail-with-body \
	-X POST \
	-H "Accept: application/vnd.github+json" \
	-H "Authorization: Bearer ${{ secrets.GITHUB_TOKEN }}" \
	-H "X-GitHub-Api-Version: 2022-11-28" \
	"https://api.github.com/repos/$GITHUB_REPOSITORY/statuses/${{ github.event.pull_request.head.sha }}" \
	-d '{"context":"Design Approved Check","state":"'"$status_state"'"}'

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