diff --git a/tests/test_arch.rs b/tests/by-util/test_arch.rs similarity index 100% rename from tests/test_arch.rs rename to tests/by-util/test_arch.rs diff --git a/tests/test_base32.rs b/tests/by-util/test_base32.rs similarity index 100% rename from tests/test_base32.rs rename to tests/by-util/test_base32.rs diff --git a/tests/test_base64.rs b/tests/by-util/test_base64.rs similarity index 100% rename from tests/test_base64.rs rename to tests/by-util/test_base64.rs diff --git a/tests/test_basename.rs b/tests/by-util/test_basename.rs similarity index 100% rename from tests/test_basename.rs rename to tests/by-util/test_basename.rs diff --git a/tests/test_cat.rs b/tests/by-util/test_cat.rs similarity index 100% rename from tests/test_cat.rs rename to tests/by-util/test_cat.rs diff --git a/tests/test_chgrp.rs b/tests/by-util/test_chgrp.rs similarity index 100% rename from tests/test_chgrp.rs rename to tests/by-util/test_chgrp.rs diff --git a/tests/test_chmod.rs b/tests/by-util/test_chmod.rs similarity index 100% rename from tests/test_chmod.rs rename to tests/by-util/test_chmod.rs diff --git a/tests/test_chown.rs b/tests/by-util/test_chown.rs similarity index 100% rename from tests/test_chown.rs rename to tests/by-util/test_chown.rs diff --git a/tests/test_cksum.rs b/tests/by-util/test_cksum.rs similarity index 100% rename from tests/test_cksum.rs rename to tests/by-util/test_cksum.rs diff --git a/tests/test_comm.rs b/tests/by-util/test_comm.rs similarity index 100% rename from tests/test_comm.rs rename to tests/by-util/test_comm.rs diff --git a/tests/test_cp.rs b/tests/by-util/test_cp.rs similarity index 100% rename from tests/test_cp.rs rename to tests/by-util/test_cp.rs diff --git a/tests/test_cut.rs b/tests/by-util/test_cut.rs similarity index 100% rename from tests/test_cut.rs rename to tests/by-util/test_cut.rs diff --git a/tests/test_date.rs b/tests/by-util/test_date.rs similarity index 100% rename from tests/test_date.rs rename to tests/by-util/test_date.rs diff --git a/tests/test_df.rs b/tests/by-util/test_df.rs similarity index 100% rename from tests/test_df.rs rename to tests/by-util/test_df.rs diff --git a/tests/test_dircolors.rs b/tests/by-util/test_dircolors.rs similarity index 100% rename from tests/test_dircolors.rs rename to tests/by-util/test_dircolors.rs diff --git a/tests/test_dirname.rs b/tests/by-util/test_dirname.rs similarity index 100% rename from tests/test_dirname.rs rename to tests/by-util/test_dirname.rs diff --git a/tests/test_du.rs b/tests/by-util/test_du.rs similarity index 100% rename from tests/test_du.rs rename to tests/by-util/test_du.rs diff --git a/tests/test_echo.rs b/tests/by-util/test_echo.rs similarity index 100% rename from tests/test_echo.rs rename to tests/by-util/test_echo.rs diff --git a/tests/test_env.rs b/tests/by-util/test_env.rs similarity index 100% rename from tests/test_env.rs rename to tests/by-util/test_env.rs diff --git a/tests/test_expand.rs b/tests/by-util/test_expand.rs similarity index 100% rename from tests/test_expand.rs rename to tests/by-util/test_expand.rs diff --git a/tests/test_expr.rs b/tests/by-util/test_expr.rs similarity index 100% rename from tests/test_expr.rs rename to tests/by-util/test_expr.rs diff --git a/tests/test_factor.rs b/tests/by-util/test_factor.rs similarity index 100% rename from tests/test_factor.rs rename to tests/by-util/test_factor.rs diff --git a/tests/test_false.rs b/tests/by-util/test_false.rs similarity index 100% rename from tests/test_false.rs rename to tests/by-util/test_false.rs diff --git a/tests/test_fmt.rs b/tests/by-util/test_fmt.rs similarity index 100% rename from tests/test_fmt.rs rename to tests/by-util/test_fmt.rs diff --git a/tests/test_fold.rs b/tests/by-util/test_fold.rs similarity index 100% rename from tests/test_fold.rs rename to tests/by-util/test_fold.rs diff --git a/tests/test_hashsum.rs b/tests/by-util/test_hashsum.rs similarity index 100% rename from tests/test_hashsum.rs rename to tests/by-util/test_hashsum.rs diff --git a/tests/test_head.rs b/tests/by-util/test_head.rs similarity index 100% rename from tests/test_head.rs rename to tests/by-util/test_head.rs diff --git a/tests/test_hostname.rs b/tests/by-util/test_hostname.rs similarity index 100% rename from tests/test_hostname.rs rename to tests/by-util/test_hostname.rs diff --git a/tests/test_id.rs b/tests/by-util/test_id.rs similarity index 100% rename from tests/test_id.rs rename to tests/by-util/test_id.rs diff --git a/tests/test_install.rs b/tests/by-util/test_install.rs similarity index 100% rename from tests/test_install.rs rename to tests/by-util/test_install.rs diff --git a/tests/test_join.rs b/tests/by-util/test_join.rs similarity index 100% rename from tests/test_join.rs rename to tests/by-util/test_join.rs diff --git a/tests/test_link.rs b/tests/by-util/test_link.rs similarity index 100% rename from tests/test_link.rs rename to tests/by-util/test_link.rs diff --git a/tests/test_ln.rs b/tests/by-util/test_ln.rs similarity index 100% rename from tests/test_ln.rs rename to tests/by-util/test_ln.rs diff --git a/tests/test_ls.rs b/tests/by-util/test_ls.rs similarity index 100% rename from tests/test_ls.rs rename to tests/by-util/test_ls.rs diff --git a/tests/test_mkdir.rs b/tests/by-util/test_mkdir.rs similarity index 100% rename from tests/test_mkdir.rs rename to tests/by-util/test_mkdir.rs diff --git a/tests/test_mktemp.rs b/tests/by-util/test_mktemp.rs similarity index 100% rename from tests/test_mktemp.rs rename to tests/by-util/test_mktemp.rs diff --git a/tests/test_more.rs b/tests/by-util/test_more.rs similarity index 100% rename from tests/test_more.rs rename to tests/by-util/test_more.rs diff --git a/tests/test_mv.rs b/tests/by-util/test_mv.rs similarity index 100% rename from tests/test_mv.rs rename to tests/by-util/test_mv.rs diff --git a/tests/test_nl.rs b/tests/by-util/test_nl.rs similarity index 100% rename from tests/test_nl.rs rename to tests/by-util/test_nl.rs diff --git a/tests/test_numfmt.rs b/tests/by-util/test_numfmt.rs similarity index 100% rename from tests/test_numfmt.rs rename to tests/by-util/test_numfmt.rs diff --git a/tests/test_od.rs b/tests/by-util/test_od.rs similarity index 100% rename from tests/test_od.rs rename to tests/by-util/test_od.rs diff --git a/tests/test_paste.rs b/tests/by-util/test_paste.rs similarity index 100% rename from tests/test_paste.rs rename to tests/by-util/test_paste.rs diff --git a/tests/test_pathchk.rs b/tests/by-util/test_pathchk.rs similarity index 100% rename from tests/test_pathchk.rs rename to tests/by-util/test_pathchk.rs diff --git a/tests/test_pinky.rs b/tests/by-util/test_pinky.rs similarity index 100% rename from tests/test_pinky.rs rename to tests/by-util/test_pinky.rs diff --git a/tests/test_printenv.rs b/tests/by-util/test_printenv.rs similarity index 100% rename from tests/test_printenv.rs rename to tests/by-util/test_printenv.rs diff --git a/tests/test_printf.rs b/tests/by-util/test_printf.rs similarity index 100% rename from tests/test_printf.rs rename to tests/by-util/test_printf.rs diff --git a/tests/test_ptx.rs b/tests/by-util/test_ptx.rs similarity index 100% rename from tests/test_ptx.rs rename to tests/by-util/test_ptx.rs diff --git a/tests/test_pwd.rs b/tests/by-util/test_pwd.rs similarity index 100% rename from tests/test_pwd.rs rename to tests/by-util/test_pwd.rs diff --git a/tests/test_readlink.rs b/tests/by-util/test_readlink.rs similarity index 100% rename from tests/test_readlink.rs rename to tests/by-util/test_readlink.rs diff --git a/tests/test_realpath.rs b/tests/by-util/test_realpath.rs similarity index 100% rename from tests/test_realpath.rs rename to tests/by-util/test_realpath.rs diff --git a/tests/test_rm.rs b/tests/by-util/test_rm.rs similarity index 100% rename from tests/test_rm.rs rename to tests/by-util/test_rm.rs diff --git a/tests/test_rmdir.rs b/tests/by-util/test_rmdir.rs similarity index 100% rename from tests/test_rmdir.rs rename to tests/by-util/test_rmdir.rs diff --git a/tests/test_seq.rs b/tests/by-util/test_seq.rs similarity index 100% rename from tests/test_seq.rs rename to tests/by-util/test_seq.rs diff --git a/tests/test_sort.rs b/tests/by-util/test_sort.rs similarity index 100% rename from tests/test_sort.rs rename to tests/by-util/test_sort.rs diff --git a/tests/test_split.rs b/tests/by-util/test_split.rs similarity index 100% rename from tests/test_split.rs rename to tests/by-util/test_split.rs diff --git a/tests/test_stat.rs b/tests/by-util/test_stat.rs similarity index 100% rename from tests/test_stat.rs rename to tests/by-util/test_stat.rs diff --git a/tests/test_stdbuf.rs b/tests/by-util/test_stdbuf.rs similarity index 100% rename from tests/test_stdbuf.rs rename to tests/by-util/test_stdbuf.rs diff --git a/tests/test_sum.rs b/tests/by-util/test_sum.rs similarity index 100% rename from tests/test_sum.rs rename to tests/by-util/test_sum.rs diff --git a/tests/test_tac.rs b/tests/by-util/test_tac.rs similarity index 100% rename from tests/test_tac.rs rename to tests/by-util/test_tac.rs diff --git a/tests/test_tail.rs b/tests/by-util/test_tail.rs similarity index 100% rename from tests/test_tail.rs rename to tests/by-util/test_tail.rs diff --git a/tests/test_test.rs b/tests/by-util/test_test.rs similarity index 100% rename from tests/test_test.rs rename to tests/by-util/test_test.rs diff --git a/tests/test_touch.rs b/tests/by-util/test_touch.rs similarity index 100% rename from tests/test_touch.rs rename to tests/by-util/test_touch.rs diff --git a/tests/test_tr.rs b/tests/by-util/test_tr.rs similarity index 100% rename from tests/test_tr.rs rename to tests/by-util/test_tr.rs diff --git a/tests/test_true.rs b/tests/by-util/test_true.rs similarity index 100% rename from tests/test_true.rs rename to tests/by-util/test_true.rs diff --git a/tests/test_truncate.rs b/tests/by-util/test_truncate.rs similarity index 100% rename from tests/test_truncate.rs rename to tests/by-util/test_truncate.rs diff --git a/tests/test_tsort.rs b/tests/by-util/test_tsort.rs similarity index 100% rename from tests/test_tsort.rs rename to tests/by-util/test_tsort.rs diff --git a/tests/test_uname.rs b/tests/by-util/test_uname.rs similarity index 100% rename from tests/test_uname.rs rename to tests/by-util/test_uname.rs diff --git a/tests/test_unexpand.rs b/tests/by-util/test_unexpand.rs similarity index 100% rename from tests/test_unexpand.rs rename to tests/by-util/test_unexpand.rs diff --git a/tests/test_uniq.rs b/tests/by-util/test_uniq.rs similarity index 100% rename from tests/test_uniq.rs rename to tests/by-util/test_uniq.rs diff --git a/tests/test_unlink.rs b/tests/by-util/test_unlink.rs similarity index 100% rename from tests/test_unlink.rs rename to tests/by-util/test_unlink.rs diff --git a/tests/test_uptime.rs b/tests/by-util/test_uptime.rs similarity index 100% rename from tests/test_uptime.rs rename to tests/by-util/test_uptime.rs diff --git a/tests/test_users.rs b/tests/by-util/test_users.rs similarity index 100% rename from tests/test_users.rs rename to tests/by-util/test_users.rs diff --git a/tests/test_wc.rs b/tests/by-util/test_wc.rs similarity index 100% rename from tests/test_wc.rs rename to tests/by-util/test_wc.rs diff --git a/tests/test_who.rs b/tests/by-util/test_who.rs similarity index 100% rename from tests/test_who.rs rename to tests/by-util/test_who.rs diff --git a/tests/test_whoami.rs b/tests/by-util/test_whoami.rs similarity index 100% rename from tests/test_whoami.rs rename to tests/by-util/test_whoami.rs