tests: Ignore old scan results in couple more WPS test cases

These have shown failures due to obsolete scan results from previous
test cases being present.

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

tests/hwsim/test_ap_wps.py

@@ -22,6 +22,8 @@ def test_ap_wps_init(dev, apdev):
     hapd = hostapd.Hostapd(apdev[0]['ifname'])
     logger.info("WPS provisioning step")
     hapd.request("WPS_PBC")
+    dev[0].request("BSS_FLUSH 0")
+    dev[0].request("SET ignore_old_scan_res 1")
     dev[0].dump_monitor()
     dev[0].request("WPS_PBC")
     ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=15)
@@ -75,6 +77,8 @@ def test_ap_wps_conf_pin(dev, apdev):
     logger.info("WPS provisioning step")
     pin = dev[0].wps_read_pin()
     hapd.request("WPS_PIN any " + pin)
+    dev[0].request("BSS_FLUSH 0")
+    dev[0].request("SET ignore_old_scan_res 1")
     dev[0].dump_monitor()
     dev[0].request("WPS_PIN any " + pin)
     ev = dev[0].wait_event(["CTRL-EVENT-CONNECTED"], timeout=15)