Added promotional shopping cart skeleton
Calculating how many apples to discount from price
Calculating how many apples to discount from price - tests
Calculating how many apples to discount from price - tests
Added same discount approach for oranges
Added same discount approach for oranges - more tests
Testing value of promo cart
Calculating value with promotional offers
refactoring
Promo cart to launcher
Promo cart to launcher
Wrong message displayed
Wrong message displayed
Added mockito
Added mockito