Do what you always do and use Amplify's helper methods for setup and teardown.
Use Husky and the Amplify console.
Treat the environments like Git.
Add the users to static groups using your Lambda triggers.
Isolate logic, then use RITEway for unit tests and Supertest for integration tests.
Use a regex with custom middleware.
Execute queries and mutations by using the correct execution policy and polyfills.
Use custom resolvers to create a Scan operation.
Sort GraphQL queries with custom index structures.
Use Amplify's I18n module to translate your app.
Understand with Analytics and engage with AWS Pinpoint.
Use custom resolvers for bulk procedures.
You can change the username attributes manually.