The one where four is the magic number for tolerating duplicated test setup.

The one where production data tells you what your fixture personas should be.

The one where fixture files start reading like the setup chapter of a novel.

The one where UX design from 1999 solves the fixture archetype problem.

The one where I do the math on why you can't create a fixture for every possible state.

The one where I realize nobody, including me, was designing their test data.

The one where I finally release new minitest-rails versions.