Skip metric definition test

Related issue: #3082 (closed)

What does this MR do and why?

Failed pipeline: https://jihulab.com/gitlab-cn/gitlab/-/pipelines/1288318

Failed job: https://jihulab.com/gitlab-cn/gitlab/-/jobs/8044545

Changes from https://gitlab.com/gitlab-org/gitlab/-/commit/18f219c46e3fb8da237c2092893038e88d442460

We need to rewrite the skip rule.

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