Tests

Add test bib files for entry editor behavior #21408

Job	Run time
Checkstyle	1m 44s
OpenRewrite	1m 44s
CHANGELOG.md	9s
CHANGELOG.md - only unreleased touched	16s
Modernizer	59s
Database tests	1m 43s
GUI tests	1m 25s
Unit tests	1m 43s
Markdown	6s
Code coverage	27s
Validate Gradle Wrapper	5s
Find merge conflicts	5s
Validate requirement coverage	24s
Source branch is other than "main"	1s
upload-pr-number	3s
	10m 54s

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