Ensure test cleanup via RAII #3395

Job	Run time
lint / python-lint	7s
lint / clang-format	15s
lint / shell-lint	13s
ubuntu / clang-build (ubuntu-24.04-arm)	2m 1s
ubuntu / gcc-build (ubuntu-24.04, Release)	1m 49s
ubuntu / clang-build (ubuntu-24.04)	2m 47s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 45s
mac / clang-build (Release)	2m 15s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	3m 20s
mac / clang-build (Debug)	2m 6s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	1m 59s
windows / clang-build	2m 6s
windows / msvc-build (Release)	2m 15s
windows / msvc-build (Debug)	5m 28s
windows / clang-test	2m 4s
mac / clang-test	3m 19s
windows / clang-test-extended	1m 53s
ubuntu / clang-test (ubuntu-24.04)	5m 9s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	2m 38s
ubuntu / clang-test (ubuntu-24.04-arm)	5m 45s
ubuntu / gcc-test (ubuntu-24.04-arm)	5m 57s
ubuntu / gcc-test (ubuntu-24.04)	4m 59s
windows / msvc-test	3m 10s
mac / clang-test-extended	2m 21s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 4s
windows / msvc-test-extended	1m 53s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 33s
ubuntu / clang-test-extended (ubuntu-24.04)	3m 5s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	3m 58s
ubuntu / gcc-test-extended (ubuntu-24.04)	2m 45s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	3m 41s
ubuntu / gcc-build-codecov	4m 53s
perf / ubuntu-gcc-build-perf-stats	1m 28s
pages / build-doxygen-xml	1m 1s
pages / build-scoreboard	14s
pages / build-sphinx	32s
pages / deploy-pages	0s
	1h 34m 48s

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