QMessageService::retrieve API returns false

PRECONDITIONS:
1. Construct a message
2. Add message to message store.

STEPS LEADING TO PROBLEM:
1. Construct a message
2. Add the message to message store
3. QMessageSerice::retrieve() API is called.

EXPECTED OUTCOME:
1. 4. QMessageSerice::retrieve() should return True.

ACTUAL OUTCOME:
1. Message is added to message store
2. QMessageSerice::retrieve() returns false.