root@ubuntu:~/tig-2.5.6# make test
...
      TEST  test/main/all-arg-test
      TEST  test/main/author-name-change-test
fatal: unsafe repository ('/root/tig-2.5.6/test/tmp/main/author-name-change-test/work-dir' is owned by someone else)
To add an exception for this directory, call:

        git config --global --add safe.directory /root/tig-2.5.6/test/tmp/main/author-name-change-test/work-dir
            | No test results found
Makefile:278: recipe for target 'test/main/author-name-change-test' failed
make: *** [test/main/author-name-change-test] Error 128