exclude :test_basename, "needs investigation"
exclude :test_dirname, "needs investigation"
exclude :test_expand_path, "needs investigation"
exclude :test_extname, "needs investigation"
exclude :test_find_file, "needs investigation"
exclude :test_stat, "needs investigation"
exclude :test_stat_init, "needs investigation"
exclude :test_umask, "needs investigation"
exclude :test_unlink, "needs investigation"
exclude :test_utime, "needs investigation"
exclude :test_world_readable_p, "needs investigation"
exclude :test_world_writable_p, "needs investigation"
exclude :test_writable_p, "needs investigation"
exclude :test_writable_real_p, "needs investigation"
exclude :test_zero_p, "needs investigation"
exclude :test_lchmod, "Fails on Linux"
