Crafting round-trip test for Cff importer/exporter #15069

Job	Run time
CHANGELOG.md - only unreleased touched	17s
Checkstyle	2m 30s
CHANGELOG.md	7s
Database tests	2m 33s
GUI tests	1m 38s
Markdown	5s
Modernizer	1m 26s
OpenRewrite	2m 0s
Unit tests	6m 31s
Validate Gradle Wrapper	3s
Find merge conflicts	7s
Code coverage	33s
	17m 50s

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