- test 1030: remove, duplicate of 154
- test 1105: make name unique
- test 161: make name reflect what it tests
- test 2074: correct the name
- test 310: improve name
- test 358: correct the name
- test 409: removed, duplicate of 401
- test 472: clarify the test name (how it differs from 439)
- test 1509: update name
- test 527: duplicate of 526
- test 758: separate the name from 530
- test 611: duplicate of 608, remove
- test 639: adjust the name
- test 688: minor name tweak to clarify
- test 708: enhance name
- test 800/847: clarify the names
- test 1520: dedupe the name
- test 962: enhance name
- test 1196/2203: enhanced names
- test 1211: name tweak
- test 1256/1257: enhance the names
- test 1483: fix name
- test 1541: fix name
- test 1553: fix name
- test 1609: removed, exact duplicate of 1607
- test 2200: fix name
- test 3031: corret the name
- test 3016/3203: fix names and keywords
- test 3201/3220: enhance names
- test 3212: fix name
- add missing FILE keywords
- drop FAILURE as keyword
Closes#21936
To formalize they are now XML-compliant (with some asterisks.)
Also to help syntax highlighters work on them to make their content more
readable.
Also:
- Delete empty comment decorations.
- GHA/checksrc: simplify XML check.
- runtests: fail to load test data with XML prolog missing.
Follow-up to bfe6eb1c06#19927
Follow-up to 87ba80a6dfCloses#19946
