With the last post, Testing the Swagger Petstore: Reviewing API Documentation Formatted in OpenAPI 3.0 with Swagger UI we started exploring an API with Swagger UI, such as the Swagger Petstore at https://petstore3.swagger.io/Here, we will start exploring how to test an API using the Swagger UI.The tests we can run are:Happy Path Testing, checking the Positive ScenariosNegative Testing, reviewing the Invalid Inputs & Error HandlingBoundary & Edge Case Testing, checking how the API handles the extreme limits of allowed input rangesAuthentication & Authorization TestingContract and schema validationWe can see in the Swagger PetStore there are three tag groups: Pet, Store,...