tests: Fix ap_vht160_no_dfs false negative by using common finalizer

ap_vht160_no_dfs fails with this message:

---------------
wlan0: Country code not reset back to 00: is ZA
wlan0: Country code cleared back to 00
---------------

hostap commit 91b6eba7732354ed3dfe0aa9715dc4c0746e3336
'Move MAC address randomization enable/disable to helper functions'.

wireless-testing commit 66c112cbd1d44d05322bb4eef908c82a68adbb5e
tag: wt-2019-06-26.

This patch fixes the issue.

Signed-off-by: Masashi Honma <masashi.honma@gmail.com>

diff --git a/tests/hwsim/test_ap_vht.py b/tests/hwsim/test_ap_vht.py
index 2d8b2e336c76b01fe996e75aab6e7746911fe167..fde32489cd07056e2b4a4754bb2fbae9d3fe69aa 100644 (file)
--- a/tests/hwsim/test_ap_vht.py
+++ b/tests/hwsim/test_ap_vht.py
@@ -551,12 +551,7 @@ def run_ap_vht160_no_dfs(dev, apdev, channel, ht_capab):
                 raise HwsimSkip("80/160 MHz channel not supported in regulatory information")
         raise
     finally:
-        if hapd:
-            hapd.request("DISABLE")
-        dev[0].disconnect_and_stop_scan()
-        subprocess.call(['iw', 'reg', 'set', '00'])
-        dev[0].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=0.5)
-        dev[0].flush_scan_cache()
+        clear_regdom(hapd, dev)
 
 def test_ap_vht160_no_ht40(dev, apdev):
     """VHT with 160 MHz channel width and HT40 disabled"""