add testing script

test.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+#set -o xtrace
+set -o errexit -o nounset -o pipefail -o errtrace
+IFS=$'\n\t'
+
+disp_num=1
+
+disp=:$disp_num
+Xephyr -screen 2560x1440 $disp -ac -br -sw-cursor &
+pid=$!
+while [ ! -e /tmp/.X11-unix/X${disp_num} ] ; do
+    sleep 0.1
+done
+
+export DISPLAY=$disp
+
+xrdb "${XDG_CONFIG_HOME:-$HOME/.config}/x11/xresources" & xrdbpid=$!
+setbg &
+remaps &
+[ -n "$xrdbpid" ] && wait "$xrdbpid"
+./dwm
+
+kill $pid
+exit 0