remove unused parameter and make tests pass (#2045)
remove unused parameter and make tests pass (#2045)

* remove unused parameter and make tests pass

- remove used `val` parameter to allow for linting to pass.
- update the format of the second `filterByCity` mock to the newer `results: [], query: ''` format.

* update to match the code repo

skaterdav85/guides,skaterdav85/guides,skaterdav85/guides,tleskin/guides,tleskin/guides,skaterdav85/guides,tleskin/guides