REQUEST: Test app

[kaskra]

Build test cases (mostly for database and budget calculations).

• [ ] Unit tests (Test all buisness logic methods and other non-database methods)

• [x] Unit tests (database methods)

• [ ] Widget tests

• [ ] Travis CI integration

[kaskra]

For some reason can't test database and tap to get to charts in tests.

[kaskra]

Tested database methods.