Add more Unit Tests to the project

**Is your feature request related to a problem? Please describe.**
we coverage is at 33%~ right now and we want that to be a lot higher. If you want to contribute to the project but are finding it difficult to find a suitable ticket of a manageable size then this is for you!

**Describe the solution you'd like**
Comment here that you want to test a class (I recommend starting with small ones) with the class name to claim it. Then make a ticket and start working on it. Use `ctrl+shift+t` to automatically create the test class. also navigates to a test class if it already exists.

**Additional context**
Our unit testing strategy is based on [this article](https://phauer.com/2018/best-practices-unit-testing-kotlin/) which is a recap of KotlinConf talk on the topic, linked in the article. [Mockk](https://mockk.io/) is one of the more important libraries to know about and that link has several articles on the topic. As always we team members can help if you open a PR in Draft.