tests: Make FT roaming and data connectivity checks more robust

Dump pending monitor interface messages between each roaming step to
make the test log easier to understand and hostapd wait for the new
connection more robust by ensuring that the processed event if for the
very last reassociation. It looks like at least ap_ft_vlan_over_ds_many
could fail due to the connectivity check being started before the final
roam had been completed on the AP side even though there was an explicit
hapd2ap.wait_sta() wait before the test.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

tests/hwsim/test_ap_ft.py

@@ -221,6 +221,10 @@ def run_roams(dev, apdev, hapd0, hapd1, ssid, passphrase, over_ds=False,
     dev.scan_for_bss(ap2['bssid'], freq="2412")
 
     for i in range(0, roams):
+        dev.dump_monitor()
+        hapd1ap.dump_monitor()
+        hapd2ap.dump_monitor()
+
         # Roaming artificially fast can make data test fail because the key is
         # set later.
         time.sleep(0.01)
@@ -239,11 +243,18 @@ def run_roams(dev, apdev, hapd0, hapd1, ssid, passphrase, over_ds=False,
             raise Exception("Did not connect to correct AP")
         if (i == 0 or i == roams - 1) and test_connectivity:
             hapd2ap.wait_sta()
+            dev.dump_monitor()
+            hapd1ap.dump_monitor()
+            hapd2ap.dump_monitor()
             if conndev:
                 hwsim_utils.test_connectivity_iface(dev, hapd2ap, conndev)
             else:
                 hwsim_utils.test_connectivity(dev, hapd2ap)
 
+        dev.dump_monitor()
+        hapd1ap.dump_monitor()
+        hapd2ap.dump_monitor()
+
         if only_one_way:
             return
         # Roaming artificially fast can make data test fail because the key is
@@ -262,6 +273,9 @@ def run_roams(dev, apdev, hapd0, hapd1, ssid, passphrase, over_ds=False,
             raise Exception("Did not connect to correct AP")
         if (i == 0 or i == roams - 1) and test_connectivity:
             hapd1ap.wait_sta()
+            dev.dump_monitor()
+            hapd1ap.dump_monitor()
+            hapd2ap.dump_monitor()
             if conndev:
                 hwsim_utils.test_connectivity_iface(dev, hapd1ap, conndev)
             else: