BuildPulse (and my interactions with CI on this repository) have shown
this tests to be very flaky. Flaky tests are not useful tests so let's
just delete them and they can be re-added if fixed in future.
- Fix cask info output being incorrect
- Improve some code referring to casks as formulae
- Move livecheck cask fixtures to not shadow existing names
- Adjust the cask tap symlinking logic to make handling outdated
shadowed casks significantly easier
- Fix various flaky tests caused by casks sharding logic
- Prefer longer paths when there's multiple formulae or casks in a tap
with the same name rather than always using the first
