/usr/share/java/aether-test-util.jar is in libaether-java 1.13.1-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/java/../maven-repo/org/sonatype/aether/aether-test-util/1.13.1/aether-test-util-1.13.1.jar