Too Long; Didn't Read
In order for any test that has never failed has no value, it must have failed at least once. Craig Livings made a controversial statement in a controversial LinkedIn post one year ago. The takeaway is that failing our tests is such an important skill. When writing tests, we must know they have failed, so we know they add value. This is why it’s so important to spot these mistakes when more complex code is more complex testing when more testing is more difficult to spot.