diff --git a/openwrt/testdata/proc_net_wireless.txt b/openwrt/testdata/proc_net_wireless.txt
new file mode 100644
index 0000000..5fc603c
--- /dev/null
+++ b/openwrt/testdata/proc_net_wireless.txt
@@ -0,0 +1,4 @@
+Inter-| sta-|   Quality        |   Discarded packets               | Missed | WE
+ face | tus | link level noise |  nwid  crypt   frag  retry   misc | beacon | 22
+ wlan1: 0000    0     0     0        0      0      0      0      0        0
+ wlan0: 0000    0     0     0        0      0      0      0      0        0