Flawed workflow game testing

[samdev-7]

Before the update, in V1, the test has two main issues:

• Some games caused the test to hang: example; this is quite rare.
• Not up-to-date branches/forks caused the test to fail to find files that were updated: example; this is common but can be easily fixed manually.

With the update, the test needs to be updated to use the new engine, as well as fixing the issued above.

After a discussion, the current idea is to create two workflow tests:

• One for game submissions: only checking the one game submitted, making it fast.
• Another for checking engine changes: uses a "game" designed to test the engine.