Orders remain in waiting state with ExpectNotices Instruction and ConsumeNotices Instruction despite the Notice being posted

Current Situation:

Orders waiting at an ExpectNotices Instruction or ConsumeNotices Instruction remain in a waiting state, even after the corresponding Notice has been successfully posted by a PostNotices Instruction.
 
Steps to reproduce:

1. Import the zip file provided and deploy the Notice Boards and Workflows.
2. Add an order to workflow w2 which contains an ExpectNotices Instruction; the order will be put to the waiting state.
3. Add an order to workflow w1 which contains a PostNotices Instruction; the Notice n1 is posted, but the order is still in the waiting state with workflow w2.
4. Add another order to w2, the order will run successfully.
 
Desired Behavior:

Once a PostNotices Instruction posts the related Notice, any orders waiting in a matching ExpectNotices Instruction or ConsumeNotices Instruction should resume execution.