[tests-only][full-ci]Add tests for create link using root endpoint

[amrita-shrestha]

Description

This PR adds tests for creating share link of drives using root endpoint

Related Issue

• https://github.com/owncloud/ocis/issues/8810

Motivation and Context

How Has This Been Tested?

• Locally

Screenshots (if appropriate):

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Technical debt
• [x] Tests only (no source changes)

Checklist:

• [ ] Code changes
• [ ] Unit tests added
• [ ] Acceptance tests added
• [x] Documentation ticket raised: