Research: Automated tests for a11y

[kulmann]

Initial Checklist

• I understand this is a user story and questions should be posted in the Community Discussions
• I searched issues and couldn’t find anything (or linked relevant results below)

User Story

As OpenCloud, we want to be sure that our web ui doesn't violate accessibility so that we have certainty about our good accessibility.

User Value

• Punish a11y violations
• ensure that there are no a11y regressions

Acceptance Criteria

• find a suitable solution for automated accessibility testing
• barrier for writing accessibility tests should be low
• first step here to test would be opening page of file app / personal space
• testing situation would be contrasttest or focus management, testing elements like buttons, font etc.

Pointer: https://playwright.dev/docs/accessibility-testing maybe?

[ScharfViktor]

completed via #819