Could we warm the cache for the tests

Okay, so basically, the tests are all convoluted and takes ages because the stdlib loads for each test, so there are all kinds of hacks and workarounds to make them go faster.

What if, for the tests that aren't covering loading/cache etc, we just load everything once, and reuse it????

The issue does not name specific files or tests. Start by locating the test setup and the code that loads or caches the stdlib, then identify which tests currently need fresh loading. Done means eligible tests reuse one loaded stdlib while loading and cache tests retain their intended coverage.

Written by the indexing model from the issue text.