tests: Clear pmf parameter on reset()

This is in preparation of removing pmf parameter reset on the FLUSH
command.

Signed-off-by: Jouni Malinen <j@w1.fi>

tests/hwsim/wpasupplicant.py

@@ -85,6 +85,7 @@ class WpaSupplicant:
         if not "OK" in res:
             logger.info("FLUSH to " + self.ifname + " failed: " + res)
         self.request("WPS_ER_STOP")
+        self.request("SET pmf 0")
         self.request("SET external_sim 0")
         self.request("SET hessid 00:00:00:00:00:00")
         self.request("SET access_network_type 15")