[8.10](backport #3293) skip downgrade test when only one snapshot version is available #1930

	name: CodeCoverage Build
	on:
	pull_request:

	jobs:
	coverage:
	name: CodeCoverage
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0 # Shallow clones should be disabled for a better relevancy of analysis

	- name: Extract Go version from .go-version
	run: echo "GO_VERSION=$(cat .go-version)" >> $GITHUB_ENV
	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: "${{ env.GO_VERSION }}"
	cache: true

	- name: Go cache
	uses: actions/cache@v3
	with:
	# In order:
	# * Module download cache
	# * Build cache (Linux)
	path: \|
	~/go/pkg/mod
	key: ${{ runner.os }}-go-cache-${{ hashFiles('**/go.sum') }}
	restore-keys: \|
	${{ runner.os }}-go-cache

	- name: Run Mage
	uses: magefile/mage-action@v2
	env:
	TEST_COVERAGE: 'true'
	with:
	version: latest
	args: unitTest

	- name: Save PR information
	run: \|
	mkdir -p ./pr
	echo ${{ github.event.number }} > ./build/pull_request_number
	echo ${{ github.event.pull_request.base.ref }} > ./build/pull_request_base
	echo ${{ github.event.pull_request.head.ref }} > ./build/pull_request_branch

	- uses: actions/upload-artifact@v3
	with:
	name: test-coverage
	path: \|
	build/TEST-*
	build/pull_request*
	if-no-files-found: error

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