Bar initializes with a name. -10 failures
Bar cannot change name. -9 failures
Has empty menu. -8 failures
Can add menu items. - 7 failures.
Can access menu items. -6 failures
Happy hour discount default to zero. -5 failures
Can set happy hour discount. - 4 failures
Only returns a discount when it's happy hour.
It constrains the happy hour. -2 failures
Is not happy hour otherwise. 1 failure
Knows when it is happy hour. - 0 failures
Can get price of drik based on name.
It does not or does give discount during appropriate times. Done.