Filter refactor part 5 edits
Created by: matthew-d-jones
Some improvements to tests for the branch, mostly by @mattclarke . Could do with more dependency injection to avoid having to subclass for testing, I've created ticket DM-1900 for this.
Created by: matthew-d-jones
Some improvements to tests for the branch, mostly by @mattclarke . Could do with more dependency injection to avoid having to subclass for testing, I've created ticket DM-1900 for this.