Ensure test cleanup via RAII #3393

Job	Run time
lint / python-lint	6s
lint / clang-format	14s
lint / shell-lint	20s
ubuntu / clang-build (ubuntu-24.04-arm)	2m 7s
mac / clang-build (Release)	2m 8s
ubuntu / clang-build (ubuntu-24.04)	2m 42s
mac / clang-build (Debug)	2m 0s
windows / clang-build	2m 17s
ubuntu / gcc-build (ubuntu-24.04, Debug)	1m 58s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	2m 6s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 15s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	2m 4s
windows / msvc-build (Release)	2m 17s
windows / msvc-build (Debug)	5m 55s
ubuntu / gcc-test (ubuntu-24.04-arm)	5m 23s
ubuntu / gcc-test (ubuntu-24.04)	4m 57s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	2m 24s
ubuntu / clang-test (ubuntu-24.04-arm)	6m 5s
ubuntu / clang-test (ubuntu-24.04)	5m 21s
mac / clang-test	3m 19s
windows / clang-test	2m 4s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 17s
windows / clang-test-extended	1m 49s
mac / clang-test-extended	2m 19s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	1m 53s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	4m 39s
ubuntu / gcc-test-extended (ubuntu-24.04)	3m 29s
windows / msvc-test	2m 54s
ubuntu / clang-test-extended (ubuntu-24.04)	3m 44s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	3m 42s
windows / msvc-test-extended	2m 25s
ubuntu / gcc-build-codecov	5m 18s
perf / ubuntu-gcc-build-perf-stats	2m 19s
pages / build-scoreboard	11s
pages / build-doxygen-xml	1m 24s
pages / build-sphinx	35s
pages / deploy-pages	-1s
	1h 36m 59s

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