Test Desiderata 2/12 Tests Should be Structure-Insensitive

In this 2nd of a 12 part series on desirable properties of tests, Kelly Sutton and I discuss the property that tests should be insensitive to changes in the structure of the code. For a list of all 12 properties see https://medium.com/@kentbeck_7670/test-desiderata-94150638a4b3. Episode 1: tests should be sensitive to the behavior of the code: https://www.youtube.com/watch?v=5LOdKDqdWYU The whole playlist: https://www.youtube.com/playlist?list=PLlmVY7qtgT_lkbrk9iZNizp978mVzpBKl