fix: oob manager tests

Signed-off-by: Daniel Bluhm <dbluhm@pm.me>

aries_cloudagent/protocols/out_of_band/v1_0/tests/test_manager.py

@@ -808,7 +808,7 @@ async def test_create_invitation_peer_did(self):
                     service["routingKeys"][0]
                     == DIDKey.from_public_key_b58(
                         self.test_mediator_routing_keys[0], ED25519
-                    ).did
+                    ).key_id
                 )
                 assert service["serviceEndpoint"] == self.test_mediator_endpoint