Should it be “Arrange-Assert-Act-Assert”?

Question

Regarding the classic test pattern of Arrange-Act-Assert, I frequently find myself adding a counter-assertion that precedes Act. This way I know that the passing assertion

Answer 1

Tossing in a "sanity check" assertion to verify state before you perform the action you're testing is an old technique. I usually write them as test scaffolding to prove to myself that the test does what I expect, and remove them later to avoid cluttering tests with test scaffolding. Sometimes, leaving the scaffolding in helps the test serve as narrative.