Refactor isNodeJSErrnoException function

[jsjoeio]

After a long discussion here, we came to the realization that there's a bug inside Jest which affects our function isNodeJSErrnoException.

$ node -e 'try { fs.readFileSync("/") } catch (error) { console.log(error instanceof Error) }'
true

References:

• Fix "instanceof Error" jestjs/jest#8220
• [Bug]: "instanceof Error" fails under Jest jestjs/jest#11808

[stale]

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