auto-t: failure test for WPA2

The AP code merge resulted in changes to handshake failure
code paths. This just adds a failure test to WPA2 to test
these failure code paths.

autotests/testWPA2/failure_test.py

@@ -0,0 +1,56 @@
+#!/usr/bin/python3
+
+import unittest
+import sys
+
+sys.path.append('../util')
+import iwd
+from iwd import IWD
+from iwd import PSKAgent
+from iwd import NetworkType
+import testutil
+
+class Test(unittest.TestCase):
+
+    def test_connection_success(self):
+        wd = IWD()
+
+        psk_agent = PSKAgent("InvalidPassword")
+        wd.register_psk_agent(psk_agent)
+
+        devices = wd.list_devices(1);
+        self.assertIsNotNone(devices)
+        device = devices[0]
+
+        condition = 'not obj.scanning'
+        wd.wait_for_object_condition(device, condition)
+
+        device.scan()
+
+        condition = 'not obj.scanning'
+        wd.wait_for_object_condition(device, condition)
+
+        ordered_networks = device.get_ordered_networks()
+        ordered_network = ordered_networks[0]
+
+        self.assertEqual(ordered_network.name, "ssidCCMP")
+        self.assertEqual(ordered_network.type, NetworkType.psk)
+
+        condition = 'not obj.connected'
+        wd.wait_for_object_condition(ordered_network.network_object, condition)
+
+        with self.assertRaises(iwd.FailedEx):
+            ordered_network.network_object.connect()
+
+        wd.unregister_psk_agent(psk_agent)
+
+    @classmethod
+    def setUpClass(cls):
+        pass
+
+    @classmethod
+    def tearDownClass(cls):
+        IWD.clear_storage()
+
+if __name__ == '__main__':
+    unittest.main(exit=True)