Replace four instances of while-each with foreach #12

	name: Run Tests

	on: [push, pull_request]

	jobs:
	runtests:
	runs-on: ubuntu-latest
	container:
	image: ghcr.io/quattor/quattor-test-container:latest
	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	- name: Determine hash for caching key
	id: cachekeystep
	run: echo "pomcachekey=${{ hashFiles('**/pom.xml') }}" >> $GITHUB_ENV
	- name: Cache Maven packages
	uses: actions/cache@v4
	with:
	path: /tmp/m2
	key: ${{ runner.os }}-m2-${{ env.pomcachekey }}
	restore-keys: ${{ runner.os }}-m2-
	- name: run tests
	run: \|
	# make sure it exists before chown
	mkdir -p /tmp/m2
	chown -R quattortest:quattortest . /tmp/m2
	# we have to run as a non-root user to pass the spma tests
	# secondly, we first download all maven dependencies and then run the tests because it fails with hanging downloads otherwise.
	runuser --shell /bin/bash --preserve-environment --command "source /usr/bin/mvn_test.sh && mvn_run \"dependency:resolve-plugins dependency:go-offline $MVN_ARGS\" && mvn_test" quattortest
	env:
	MVN_ARGS: -Dmaven.repo.local=/tmp/m2

Provide feedback