auto-t: improve testDPP reliablity

First disconnect wpa_supplicant to make sure it wont miss frames if
it decides to connect. Also alter the order of things for the
configurator test so autoconnect doesn't start until after hostapd
is up (avoids additional scanning and delays)

autotests/testDPP/connection_test.py

@@ -35,6 +35,7 @@ class Test(unittest.TestCase):
         self.wd.wait_for_object_condition(self.device, condition)
 
     def test_iwd_as_enrollee_scan_after(self):
+        self.wpas.disconnect()
         uri = self.device.dpp_start_enrollee()
 
         self.wpas.dpp_configurator_create(uri)
@@ -66,10 +67,11 @@ class Test(unittest.TestCase):
         self.wd.wait_for_object_condition(self.device, condition)
 
     def test_iwd_as_configurator(self):
-        self.device.autoconnect = True
-        IWD.copy_to_storage('ssidCCMP.psk')
-
         self.hapd.reload()
+        self.hapd.wait_for_event('AP-ENABLED')
+
+        IWD.copy_to_storage('ssidCCMP.psk')
+        self.device.autoconnect = True
 
         condition = 'obj.state == DeviceState.connected'
         self.wd.wait_for_object_condition(self.device, condition)