Describe the bug

Vitest ignores the cause property whenever performing any equality on Error instances.

Reproduction

https://stackblitz.com/edit/vitest-dev-vitest-fq9xyu?file=test%2Fbasic.test.ts&initialPath=__vitest__/

System Info

Irrelevant. The issue is in the matcher.

Used Package Manager

npm

Validations

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• Read the Contributing Guidelines.
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• The provided reproduction is a minimal reproducible example of the bug.