✨ Add callback func for zip #47

	name: Go Test
	on: [ push, pull_request ]
	jobs:
	test:
	name: Test with Coverage
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v2
	with:
	go-version: '1.17'
	- name: Check out code
	uses: actions/checkout@v2
	- name: Install dependencies
	run: \|
	go mod download
	- name: Run Unit tests
	run: \|
	go test -coverprofile=covprofile -coverpkg="github.com/88250/gulu" ./...
	- name: Install goveralls
	run: go install github.com/mattn/goveralls@latest
	- name: Send coverage
	env:
	COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: goveralls -coverprofile=covprofile -service=github

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