test-storybooks-portable-vitest3 flaking on different tests

[Sidnioulz]

I'm worried about possible concurrency integrity issues.

• https://app.circleci.com/pipelines/github/storybookjs/storybook/123130/workflows/8bf48522-d459-4aa2-b67f-d92ca0c9e4bd/jobs/1511287
• https://app.circleci.com/pipelines/github/storybookjs/storybook/122989/workflows/df874964-ba3c-44ef-a088-523a67d11880/jobs/1503241
• https://app.circleci.com/pipelines/github/storybookjs/storybook/123136/workflows/3b6b2652-ecb8-444e-b042-274a8fa73631/jobs/1511497
• https://app.circleci.com/pipelines/github/storybookjs/storybook/123138/workflows/79a24b19-087d-42b3-b098-5bc1839b4ad4/jobs/1511829

[valentinpalkovic]

Likely out of date. Let's reopen it if it recurs.