/usr/share/maven-repo/org/apache/maven/surefire/surefire-grouper/2.20.1/surefire-grouper-2.20.1.jar is in libsurefire-java 2.20.1-3build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/maven-repo/org/apache/maven/surefire/surefire-grouper/2.20.1/../../../../../../../java/surefire-grouper.jar