fix make test failed on old kernel when run make test on containerd 1.7 #48

	name: CI

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:

	build:
	name: Btrfs CI
	runs-on: ubuntu-22.04
	timeout-minutes: 5
	steps:

	- name: Set up Go
	uses: actions/setup-go@v3
	with:
	go-version: 1.19.x
	id: go

	- name: Setup environment
	shell: bash
	run: \|
	echo "GOPATH=${{ github.workspace }}" >> $GITHUB_ENV
	echo "${{ github.workspace }}/bin" >> $GITHUB_PATH

	- name: Check out code
	uses: actions/checkout@v3
	with:
	path: src/github.com/containerd/btrfs
	fetch-depth: 25

	- name: Project checks
	uses: containerd/project-checks@v1
	with:
	working-directory: src/github.com/containerd/btrfs

	- name: Build
	working-directory: src/github.com/containerd/btrfs
	run: \|
	make vet binaries

	- name: Build with an old version of kernel headers
	working-directory: src/github.com/containerd/btrfs
	run: \|
	DOCKER_BUILDKIT=1 docker build -f hack/Dockerfile.compilation-test .

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