[8.13](backport #38606) auditbeat TestExeObjParser - fix errors.Is argument order

[mergify]

Proposed commit message

The arguments to errors.Is are in the wrong order so the check is not working as designed and the test was never skipped.

Also stop the test after exeObjParser.Parse fails.

Relates: #38211

How to test this PR locally

cd auditbeat/module/file_integrity
rm ./testdata/garble_macho_executable
CI=true go test -run TestExeObjParser -v .

---

This is an automatic backport of pull request #38606 done by [Mergify](https://mergify.com).

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[elasticmachine]

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• Start Time: 2024-03-26T18:42:26.465+0000

• Duration: 46 min 22 sec

Test stats 🧪

Test	Results
Failed	0
Passed	1019
Skipped	132
Total	1151

💚 Flaky test report

Tests succeeded.

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