Fix Vue 3 failing test index_spec
What does this MR do and why?
Fix Vue 3 failing test
Add missing prop
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots or screen recordings
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***NO VISUAL CHANGES***
How to set up and validate locally
Numbered steps to set up and validate the change are strongly suggested.
- Run test locally
VUE_VERSION=3 yarn jest full path to test
- Checkout branch
- Run test locally
VUE_VERSION=3 yarn jest full path to test
template sourced from https://gitlab.com/gitlab-org/gitlab/-/blob/master/.gitlab/merge_request_templates/Default.md
Related to #497917 (closed)