Tests for jpackage test-lib in [1] folder are in jpackage test-lib format. They should be converted to JUnIt format to simplify running them from IDE.

[1] https://github.com/openjdk/jdk/tree/c2fc94782669ae1645014ee3bfeba957dbff4669/test/jdk/tools/jpackage/helpers-test/jdk/jpackage/test