Ensure test cleanup via RAII #3391

Job	Run time
lint / clang-format	13s
lint / python-lint	9s
lint / shell-lint	12s
mac / clang-build (Release)	2m 2s
mac / clang-build (Debug)	2m 7s
ubuntu / clang-build (ubuntu-24.04-arm)	2m 18s
ubuntu / clang-build (ubuntu-24.04)	1m 33s
windows / clang-build	2m 17s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	2m 4s
ubuntu / gcc-build (ubuntu-24.04, Debug)	2m 18s
windows / msvc-build (Release)	7m 24s
ubuntu / gcc-build (ubuntu-24.04, Release)	2m 12s
windows / msvc-build (Debug)	5m 47s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	2m 34s
mac / clang-test	3m 18s
windows / clang-test	2m 10s
ubuntu / clang-test (ubuntu-24.04-arm)	6m 22s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	2m 3s
ubuntu / clang-test (ubuntu-24.04)	5m 51s
ubuntu / gcc-test (ubuntu-24.04)	4m 53s
ubuntu / gcc-test (ubuntu-24.04-arm)	6m 14s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	2m 6s
windows / clang-test-extended	1m 55s
mac / clang-test-extended	2m 10s
ubuntu / clang-sanitizer-test-extended (ubuntu-24.04)	2m 46s
windows / msvc-test	2m 53s
ubuntu / clang-test-extended (ubuntu-24.04-arm)	4m 8s
ubuntu / clang-test-extended (ubuntu-24.04)	3m 53s
ubuntu / gcc-test-extended (ubuntu-24.04)	3m 36s
ubuntu / gcc-test-extended (ubuntu-24.04-arm)	3m 24s
windows / msvc-test-extended	1m 55s
ubuntu / gcc-build-codecov	5m 14s
perf / ubuntu-gcc-build-perf-stats	2m 4s
pages / build-scoreboard	11s
pages / build-doxygen-xml	26s
pages / build-sphinx	1m 10s
pages / deploy-pages	0s
	1h 41m 52s

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