Fix/25 review questions

[TennisGazelle]

• [x] Does all of your new or changed code have unit tests?
• [x] Is overall unit test statement coverage still above 85%?
• [x] Is code style linting passing with npm run lint?
• [x] Is the related GitHub issue number included in your branch name? ex branch name: fix/12-some-bug
• [x] Is the related GitHub issue number included in your pull request title? example PR title: "12 - Fixes some bug"
• [x] Is documentation still up to date after your change?

[TennisGazelle]

BRANCH coverage back up.

 PASS  src/common/number-util.test.js
 PASS  src/common/file-util.test.js
 PASS  src/logger.test.js
 PASS  src/reporters/XUnitReporter.test.js
 PASS  src/judo.test.js
 PASS  src/executor.test.js

=============================== Coverage summary ===============================
Statements   : 95.59% ( 260/272 )
Branches     : 77.01% ( 67/87 )
Functions    : 95% ( 57/60 )
Lines        : 95.54% ( 257/269 )
================================================================================

Test Suites: 7 passed, 7 total
Tests:       44 passed, 44 total
Snapshots:   0 total
Time:        6.597s
Ran all test suites.