Fix tests to run with mongoid gem
Use English instead of Portuguese
Test GiftCard.senders
Implement GiftCard.senders
Refactor
Refactor
Add a new test
Change test name
Refactor
Add test for checking how many times some person has given a gift
Refactor
Implement how many times some person has given a gift
Refactor
Refactor
Add test for checking how many gifts some person has given
Implement how many gifts some person has given
Change test name
Add test how much money someone spent
Implements how much money someone spent
Change type of value. BigDecimal type is NOT supported as dynamic attributes since they cannot be cast