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What is available in this test?

Quite obviously a very basic stylesheet... Which you are looking at. Find global.css and app/layout.tsx for design-specific settings

Features

NextJS 15 with Typescript
AV-Datadog specific logging (import logger from "@/utils/logger";)
AV-Gitlab-CI specific Earthfile and publishing to gitdocker.avdev.at
api/status-Endpoint with version (from package.json) and GIT_HASH. Can also used as heartbeat endpoint (monitoring)
JEST Testframework, see e.g. api/status/__test__ folder
Environment-Variables at build-time (see NEXT_PUBLIC_GIT_HASH)
Environment-Variables at runtime (suitable for our secrets, see MY_TEST_VAR), which are not accidentially discloseable to the client