System under testGo placidly amid the noise and haste, and remember what peace there may be in silence Recently, I published this tweet: Tests should be coupled to the behavior of code and decoupled from the structure of code. Seeing tests that fail on both counts. I thought this property of tests was obvious and widely understood, but the tweet blew up. I have seen tests which are just a horrible
![Test Desiderata](https://cdn-ak-scissors.b.st-hatena.com/image/square/0c39bbb01ec512e224c9206e0cd7bd9c8d66c689/height=288;version=1;width=512/https%3A%2F%2Fmiro.medium.com%2Fv2%2Fresize%3Afit%3A547%2F1%2AVBeMF8ln76jPrSh5I9D_7w.jpeg)