Ensure test cleanup via RAII #3375

Job	Run time
lint / python-lint	7s
lint / clang-format	15s
lint / shell-lint	13s
ubuntu / clang-build (ubuntu-24.04-arm)	2m 43s
mac / clang-build (Debug)	1m 53s
ubuntu / clang-build (ubuntu-24.04)	2m 8s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	2m 24s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	4m 10s
windows / msvc-build (Release)	3m 7s
ubuntu / gcc-build (ubuntu-24.04, Debug)	1m 37s
ubuntu / gcc-build (ubuntu-24.04, Release)	1m 23s
windows / clang-build	2m 9s
windows / msvc-build (Debug)	5m 28s
mac / clang-build (Release)	2m 7s
windows / clang-test	2m 1s
mac / clang-test	3m 43s
windows / clang-test-extended	2m 0s
windows / msvc-test	3m 4s
ubuntu / clang-test (ubuntu-24.04-arm)	5m 39s
ubuntu / clang-test (ubuntu-24.04)	6m 9s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	1m 35s
ubuntu / gcc-test (ubuntu-24.04)	5m 6s
ubuntu / gcc-test (ubuntu-24.04-arm)	6m 12s
mac / clang-test-extended	2m 13s
windows / msvc-test-extended	1m 57s
ubuntu / clang-test-extended (ubuntu-24.04)	3m 14s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 21s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 6s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	3m 32s
ubuntu / gcc-test-extended (ubuntu-24.04)	3m 34s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	1m 53s
ubuntu / gcc-build-codecov	4m 22s
perf / ubuntu-gcc-build-perf-stats	2m 12s
pages / build-doxygen-xml	26s
pages / build-scoreboard	12s
pages / build-sphinx	1m 33s
pages / deploy-pages	0s
	1h 36m 48s

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