Refactor fiskalhr_test.go and add test for creating a simple invoice … #21

	name: Go

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

	jobs:

	build:
	runs-on: ubuntu-latest
	env:
	FISKALHRGO_TEST_CERT_PATH: ${{ secrets.FISKALHRGO_TEST_CERT_PATH }}
	FISKALHRGO_TEST_CERT_PASSWORD: ${{ secrets.FISKALHRGO_TEST_CERT_PASSWORD }}
	FISKALHRGO_TEST_CERT_OIB: ${{ secrets.FISKALHRGO_TEST_CERT_OIB }}
	steps:
	- uses: actions/checkout@v4

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: '1.23.1'

	- name: Build
	run: go build -v ./...

	# Decode and save the P12 certificate (needed for tests)
	- name: Decode and save the P12 certificate
	run: \|
	echo "$CIS_P12_BASE64" \| base64 -d > /tmp/fiskal.p12
	env:
	CIS_P12_BASE64: ${{ secrets.CIS_P12_BASE64 }}

	- name: Test
	run: go test -v ./...

Provide feedback