Add SimpleInit runner test #3768

Job	Run time
pre-commit / pre-commit	1m 10s
mac / clang-build (Debug)	2m 51s
ubuntu / clang-build (ubuntu-24.04-arm)	1m 0s
windows / msvc-build (Debug)	2m 46s
mac / clang-build (Release)	2m 25s
windows / msvc-build (Release)	1m 59s
windows / clang-build	1m 52s
ubuntu / clang-build (ubuntu-24.04)	55s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 7s
ubuntu / gcc-build (ubuntu-24.04, Release)	1m 2s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	1m 1s
ubuntu / gcc-build (ubuntu-24.04, Debug)	49s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	59s
ubuntu / clang-test (ubuntu-24.04)	6h 0m 3s
ubuntu / clang-test (ubuntu-24.04-arm)	6h 0m 3s
ubuntu / gcc-test (ubuntu-24.04)	6h 0m 4s
ubuntu / gcc-test (ubuntu-24.04-arm)	6h 0m 2s
windows / clang-test	45m 14s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	6h 0m 5s
windows / msvc-test	46m 6s
mac / clang-test	6h 0m 17s
windows / clang-test-extended	0s
windows / msvc-test-extended	0s
ubuntu / clang-test-extended	0s
ubuntu / gcc-test-extended	0s
ubuntu / gcc-build-codecov	0s
ubuntu / clang-sanitizer-test-extended	0s
mac / clang-test-extended	0s
perf	0s
pages	0s
	1d 13h 51m 50s

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