Write Unit Tests for Space List

[ericdecanini]

We want to refactor code for testability and add unit tests for them in areas relevant to the space list, its retrieval and usages. This is preparation for the space switching implementation and also to push towards the goal of getting more test coverage around the app

[germain-gg]

@fedrunov it looks like a PR has been open but has not been merged. Could you take a look and see whether we can merge it or not?

[ericdecanini]

@fedrunov please reopen this as