webserver: return on error and check if location is not nil #768

	name: codecov.io

	on:
	push:
	pull_request:

	jobs:
	codecov:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Setup go
	uses: actions/setup-go@v4
	with:
	go-version: stable

	- name: Runing tests for coverage
	run: \|
	go test -race -coverprofile=coverage.out -covermode=atomic `go list ./... \| grep -v vendor/` -v
	env:
	TIBIADATA_PROXY: ${{ secrets.TIBIADATA_PROXY }}

	- name: Uploading coverage to Codecov
	uses: codecov/codecov-action@v3

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