Problem/Motivation
The changes required for 'Drupal.Commenting.DocComment.ShortSingleLine' are too large and need to be split into child issues.
Proposed resolution
Fix class doc block in tests for the sniff 'Drupal.Commenting.DocComment.ShortSingleLine'.
Remaining tasks
Patch
Review - Instructions for adding the sniff and running the test are in the Issue Summary of #3123060: Fix 'Drupal.Commenting.DocComment.ShortSingleLine' coding standard
Commit
Adding the followups that have been made.
- #3340142: Convert testJail() to use expectExceptions
- #3340147: Convert testSkipSecurityFilters() to a unit or kernel test
- #3344633: Remove possible duplicate test XssUnitTest::testBadProtocolStripping