OpenCloud web test helpers

This packages provides utilities for unit testing within the OpenCloud app ecosystem.
Depending on your package manager, run one of the following commands:
``
$ npm install @opencloud-eu/web-test-helpers --save-dev
$ pnpm add -D @opencloud-eu/web-test-helpers
$ yarn add @opencloud-eu/web-test-helpers --dev
`
Make sure that you have vue, @vue/test-utils, and @opencloud-eu/web-pkg` as dev dependencies of your app since those are peer dependencies of this package.