For sure. There's dozens of types of tests (although many don't apply to certain use cases). In a healthy system you should be using a lot of them. And they don

For sure. There's dozens of types of tests (although many don't apply to certain use cases). In a healthy system you should be using a lot of them. And they don't stop at deployment, you need to be tracking exceptions (after all, production is the final, and best test environment). This article has some nice diagrams of the different kinds of tests https://medium.com/@copyconstruct/testing-in-production-the-safe-way-18ca102d0ef1 https://medium.com/@copyconstruct/testing-in-production-the-...