Add integration tests

[bitPogo]

What does the PR achieve/Which part improves the PR?

This adds integration tests as projects in order to make the test-response loop more efficient in the future.

:thinking: DOD Checklist

• [x] My code passes the lint checks.
• [x] My changes are covered with proper tests.
• [x] All tests are pass.
• [ ] My changes update the documentation.
• [ ] My changes are reflected in the changelog.

[github-actions[bot]]

	Fails
:no_entry_sign:	This Pull-Request is way to big, please slice it into smaller pull-requests.

	Warnings
:warning:	Functional changes should be reflected in the CHANGELOG.adoc

Generated by :no_entry_sign: Danger Kotlin against d3a65288e0a6460846de00b4a56d5b3fa20eda34

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

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