Add test on IPFIX writer #1662

	name: pull request - build and unit tests

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

	jobs:
	unit-tests:
	name: unit-tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	go: ['1.21']

	steps:
	- name: install make
	run: sudo apt-get install make
	- name: set up go 1.x
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go }}
	- name: checkout
	uses: actions/checkout@v3
	- name: run build
	run: make build
	- name: run unit tests
	run: make tests-unit
	- name: upload coverage to codecov.io
	uses: codecov/codecov-action@v3
	with:
	files: /tmp/coverage.out
	flags: unittests
	fail_ci_if_error: true

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