Unhack testid workarounds

Asherah Connorrequested to merge
kiv/unhack-testid-workarounds into master

What does this MR do and why?

Unhack testid workarounds

See gitlab-org/gitlab-services/design.gitlab.com!6276 (comment 3742703544). We can un-hack these workarounds now that @gitlab/ui v137 is used (as of Integrate @gitlab/ui kebab-case event rename (!251882 - merged)).

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