1. (Maybe We Don’t Have to)Test It 2. Preparing For Houseguests (A Story) 3. The Problem 4. 11 0 01 01 1 0 0 0 1 0 1 01 1 01 1 1 01 0 0 0 1 0 0 1 101 0 0 10 1 01 0 0 1…