Migrate all JUnit assertions to AssertJ in `polaris-service` module (… #2

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	name: Regression Tests
	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	jobs:
	regtest:

	runs-on: ubuntu-latest
	permissions:
	contents: read

	steps:
	- uses: actions/checkout@v4
	- name: fix permissions
	run: mkdir -p regtests/output && chmod 777 regtests/output && chmod 777 regtests/t_/ref/
	- name: Regression Test
	env:
	AWS_ACCESS_KEY_ID: ${{secrets.AWS_ACCESS_KEY_ID}}
	AWS_SECRET_ACCESS_KEY: ${{secrets.AWS_SECRET_ACCESS_KEY}}
	run: docker compose up --build --exit-code-from regtest

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