New tests

[oddfjell]

Description

Contains some tests for the project

Changes Made

• Made some tests in model and presenter

Checklist

Check applicable items

• My code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have commented on my code where necessary.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.