fix: mock wait process complete in tests (#1)

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

Author: dbluhm

aries_cloudagent/transport/inbound/tests/test_http_transport.py

@@ -62,6 +62,7 @@ def receive_message(
         message: InboundMessage,
         can_respond: bool = False,
     ):
+        message.wait_processing_complete = async_mock.CoroutineMock()
         self.message_results.append((message.payload, message.receipt, can_respond))
         if self.result_event:
             self.result_event.set()