Write model tests for sheetmusic
Sheetmusic burde ha tester for selve modellene og ikke bare viewsa. For å sitere @Shybert i !45 (merged):
All of these tests look great. If you want to write more tests we could have some tests for the models themselves, e.g. their __str__
method, or other methods. Not crucial at all though, so feel free to skip this if you're sick of writing tests for now.