2.1 Introducing our product2.1.1 Introducing our sandbox API2.2 Familiarizing ourselves with restful-booker-platform2.2.1 Researching the product2.2.2 Researching beyond the product2.3 Capturing our understanding2.3.1 The power of models2.3.2 Building our own models2.4 Congratulations—you’re testing!Summary