The development workflow expects chromedriver to be run on the host on port 4444.
There is currently no mechanism to modify this behaviour at runtime, so if another service is running on 4444 tests will just fail silently.
This change introduces the `CHROMEDRIVER_PORT` environment variable which can be utilised to set a custom port.
* [MISC] Ignore errcheck recommendations for legacy code
Some of this is likely intended to stay how it is, some could use refactoring, for now we will mark is and ignore it from the linter to be potentially addressed in the future.
* [MISC] Ensure files are gofmt-ed