Unit tests

[sonallux]

Currently the default Karma setup is used für unit tests. Explore other unit test options:

• Jest with ESM: https://angularexperts.io/blog/total-guide-to-jest-esm-and-angular
• Vitest: https://dev.to/brandontroberts/faster-testing-with-angular-and-vitest-274n?s=09
• Built-in jest and Web Test Runner: https://blog.angular.io/moving-angular-cli-to-jest-and-web-test-runner-ef85ef69ceca
  • @angular-devkit/build-angular:web-test-runner Initial Web Test Runner Implementation angular/angular-cli#25860
  • @angular-devkit/build-angular:jest