← LibraryBuilder · B5
Fresh-data testing
Build-along · ~10 min at your own keyboard
A model asked to test its own work generates test cases that flatter its own assumptions. The fix: test with data it has never seen — a real file from last month, a case you know is gnarly. Fresh data finds the failures polite tests never will.
Do this
0/4Share what happened
Paste what fresh inputs you used, what broke, and the category of failure.