Payment takes place with insufficient funds

Overview:
Steps to Reproduce:

1. Create a fund and budget
2. Create orders and order lines
3. Open the order
4. Close the order and release encumbrances
5. Add some encumbrance
6. Reopening the order

Expected Results:

It should end with an error when the available budget is not enough

Test should be failed
Actual Results:

Executed without error with insufficient budget
Additional Information:
See in the test: check-encumbrances-after-order-is-reopened

Scenario: Try reopening the order, this should fail because of encumbrance restrictions
Interested parties: