> I wonder if they considered using something like ptrace to track which .rb files a given test suite loads? It's not really possible as we eager load the enti

> I wonder if they considered using something like ptrace to track which .rb files a given test suite loads? It's not really possible as we eager load the entire application on CI. And even if we didn't to trace depedencies like this we'd need to boot the application in lazy load mode for each test suite, that alone would be slower than running the entire test suite.