/usr/share/maven-repo/org/apache/maven/plugin-testing/maven-plugin-testing-tools/ is in libmaven-plugin-testing-java 1.3-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/org/apache/maven/plugin-testing/maven-plugin-testing-tools/1.3/
/usr/share/maven-repo/org/apache/maven/plugin-testing/maven-plugin-testing-tools/1.3/maven-plugin-testing-tools-1.3.jar
/usr/share/maven-repo/org/apache/maven/plugin-testing/maven-plugin-testing-tools/1.3/maven-plugin-testing-tools-1.3.pom
/usr/share/maven-repo/org/apache/maven/plugin-testing/maven-plugin-testing-tools/debian/
/usr/share/maven-repo/org/apache/maven/plugin-testing/maven-plugin-testing-tools/debian/maven-plugin-testing-tools-debian.jar
/usr/share/maven-repo/org/apache/maven/plugin-testing/maven-plugin-testing-tools/debian/maven-plugin-testing-tools-debian.pom