/usr/share/man/man1/gfxtest.1.gz is in gfxboot-dev 4.5.2-1.1-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/gfxboot.1.gz
/usr/share/man/man1/gfxboot.1.gz