Tests

[WIP] Fix database sync #20216

Job	Run time
Checkstyle	2m 7s
Markdown	7s
Modernizer	1m 17s
OpenRewrite	2m 18s
CHANGELOG.md - only unreleased touched	15s
CHANGELOG.md	8s
Unit tests	6m 51s
Code coverage	28s
Database tests	6h 0m 15s
GUI tests	1m 56s
Validate Gradle Wrapper	6s
Validate requirement coverage	26s
Find merge conflicts	4s
upload-pr-number	4s
Source branch is other than "main"	2s
	6h 16m 24s

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