write regression tests #11
Description
Make test inputs run with confirmation that they're correct (e.g. using unit tests to read the test files, and compare to a known result)
May require re-factoring of main() methods
This makes it easier to refactor code without unknowingly breaking something
Refactoring may make it easier to move out common algorithms, such as pathfinding/scoring, to interfaces, or to apply mass linting/style cleanups to previous solutions
It may also encourage trying to find faster solutions to some problems 😉