Allow test_encryption_simple_event to handle metadata V2

tests/client-dbus/tests/udev/test_udev.py

@@ -27,6 +27,7 @@
 from ._dm import remove_stratis_setup
 from ._loopback import UDEV_ADD_EVENT, UDEV_REMOVE_EVENT
 from ._utils import (
+    _LEGACY_POOL,
     CRYPTO_LUKS_FS_TYPE,
     STRATIS_FS_TYPE,
     OptionalKeyServiceContextManager,
@@ -329,7 +330,11 @@ def _simple_event_test(self, *, key_spec=None):  # pylint: disable=too-many-loca
         :type key_spec: (str, bytes) or NoneType
         """
         num_devices = 3
-        udev_wait_type = STRATIS_FS_TYPE if key_spec is None else CRYPTO_LUKS_FS_TYPE
+        udev_wait_type = (
+            STRATIS_FS_TYPE
+            if key_spec is None or _LEGACY_POOL is None
+            else CRYPTO_LUKS_FS_TYPE
+        )
         device_tokens = self._lb_mgr.create_devices(num_devices)
         devnodes = self._lb_mgr.device_files(device_tokens)
         key_spec = None if key_spec is None else [key_spec]
@@ -393,7 +398,7 @@ def _simple_event_test(self, *, key_spec=None):  # pylint: disable=too-many-loca
                 },
             )
 
-            if key_spec is None:
+            if key_spec is None or _LEGACY_POOL is None:
                 self.assertNotEqual(exit_code, StratisdErrors.OK)
                 self.assertEqual(changed, False)
             else: