silence warning about http2 directive (#4) #17

	name: End to End tests

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	test:
	name: Test
	runs-on: "ubuntu-latest"
	steps:
	- uses: actions/checkout@v3
	- name: Run test server
	working-directory: ./test
	run: docker compose up --build --detach --wait --wait-timeout 30
	- name: querying http returns redirect
	run: \|
	output=$(curl -s -o /dev/null -w "%{http_code}" http://localhost)
	ret="$?"
	echo "$output"
	if [ "$ret" -ne 0 ]; then
	exit "$ret"
	fi
	if [ "$output" != "301" ]; then
	exit 42
	fi
	- name: querying acme-challenge returns the key
	run: \|
	output=$(curl -s http://localhost/.well-known/acme-challenge/abc)
	ret="$?"
	echo "$output"
	if [ "$ret" -ne 0 ]; then
	exit "$ret"
	fi
	if [ "$output" != "abc.MISSING_ACCOUNT_THUMBPRINT" ]; then
	exit 42
	fi
	- name: Copy the SSL key
	working-directory: ./test
	run: docker compose cp proxy:/etc/reverse_proxy/data/certs/localhost/fullchain.pem .
	- name: Querying the https route returns 200
	working-directory: ./test
	run: \|
	output=$(curl -s -o /dev/null -w "%{http_code}" --cacert fullchain.pem https://localhost)
	ret="$?"
	echo "$output"
	if [ "$ret" -ne 0 ]; then
	exit "$ret"
	fi
	if [ "$output" != "200" ]; then
	exit 42
	fi
	- name: Make sure that http2 is supported
	working-directory: ./test
	run: \|
	output=$(curl -s -o /dev/null -w "%{http_version}" --cacert fullchain.pem https://localhost)
	ret="$?"
	echo "$output"
	if [ "$ret" -ne 0 ]; then
	exit "$ret"
	fi
	if [ "$output" != "2" ]; then
	exit 42
	fi

Provide feedback