Add --test man documentation and changes argv parameters test/index.js

[ghost]

Marked version:

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Description

• Added --test man documentation in response to Add --test option in man page #1423. I don't know If I'm using the correct groff format. I ran "man -P cat ./marked.1 > marked.1.txt" to write the "marked.1.txt" file. I don't know if that's what I'm suppose to do.
• Changed the parseArg code in test/index.js because it was using process.argv and not argv.

  marked/test/index.js

  Line 554 in d96d1d3

  varopt=parseArg();

Contributor

• Test(s) exist to ensure functionality and minimize regression (if no tests added, list tests covering this PR); or,
• no tests required for this PR.
• If submitting new feature, it has been documented in the appropriate places.

Committer

In most cases, this should be a different person than the contributor.

• Draft GitHub release notes have been updated.
• CI is green (no forced merge required).
• Merge PR

[ghost]

I meant --minified and not --run. The loose parameter was a mistake.

[UziTech]

To make the tests pass you will have to change /test/specs/original/specs-spec.js line 6

- if (!specTests({stop: true})) {+ if (!specTests(['', '', '--stop'])) {