Serverless integration testing

This tutorial demonstrates how to add Amazon Cognito to an integration test flow, enabling true black-box testing. By using the `warrant` Python package and Amazon Cognito's APIs, developers can create a valid user with a predefined password without having to change it after first login. The process involves creating a Cognito user, embedding its credentials in a configuration file, and authenticating with the user to receive an authentication token, which is then used in the authorization header. This approach enables developers to automate the creation of users and their passwords, making integration testing more efficient and reliable.

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