test(admin): added e2e tests for vo management
Created by: HejdaJakub
- E2E tests were created for vo management.
- Selectors were added to all neccesary html components.
- Created new pipe - for dynamically added html tags with multi word selectors.
- As a selector is used data-cy attribute instead of id according to best practises in Cypress documentation (for better isolation from changes).