Match Pattern is a Swiss Army Knife for validating JSON objects. Its primary goal is to enable the highly flexible, expressive, and resilient feature testing of JSON based APIs. It includes facilities for deep matching, partial matching, unordered lists, and several advanced features for complex patterns. It also bundles a variety of validation functions from the lodash and checkit modules, and it supports customized matching, filtering, and mapping functions. Copy the first two lines from this example to your test file.