What steps will reproduce the problem?
1. Create a % based promotion
2. Add an expensive item to your cart
3. Check out and apply promotion
4. Add an inexpensive item to your cart
...Notice the % for promotion with expensive item only applies
5. Remove expensive item
...Notice the % for promotion of expensive item applies still
What is the expected output? What do you see instead?
Promotion is not being re-checked when items are added or removed from cart. Allows many bad things to happen.
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