1. create savings product with minimum balance interest calculation
2. create savings account 1
3. populate savings account 1 with deposit and withdrawal transactions
4. create savings account 2
5. populate savings account2 with the same amounts in savings account 1 but in a different order
6. trigger interest posting
NB. Order the transactions to ensure that the minimum balance value is the same for the two accounts.
interest posted for savings account 1 is equal to the interest posted for savings account 2