Add SimpleInit runner test #3929

Job	Run time
pre-commit / pre-commit	1m 11s
mac / clang-build (Debug)	2m 19s
mac / clang-build (Release)	2m 37s
ubuntu / clang-build (ubuntu-24.04-arm)	1m 2s
ubuntu / gcc-build (ubuntu-24.04, Release)	1m 4s
ubuntu / clang-build (ubuntu-24.04)	55s
windows / clang-build	2m 6s
ubuntu / gcc-build (ubuntu-24.04, Debug)	59s
ubuntu / gcc-build (ubuntu-24.04-arm, Release)	1m 36s
ubuntu / gcc-build (ubuntu-24.04-arm, Debug)	1m 5s
windows / msvc-build (Release)	1m 44s
windows / msvc-build (Debug)	2m 51s
ubuntu / clang-sanitizer-build (ubuntu-24.04)	57s
ubuntu / clang-test (ubuntu-24.04-arm)	6h 0m 3s
ubuntu / clang-test (ubuntu-24.04)	6h 0m 2s
ubuntu / gcc-test (ubuntu-24.04)	6h 0m 4s
ubuntu / gcc-test (ubuntu-24.04-arm)	6h 0m 4s
ubuntu / clang-sanitizer-test (ubuntu-24.04)	6h 0m 3s
windows / clang-test	44m 29s
mac / clang-test	6h 0m 17s
windows / msvc-test	46m 15s
windows / clang-test-extended	0s
windows / msvc-test-extended	0s
ubuntu / clang-test-extended	0s
ubuntu / gcc-test-extended	-1s
ubuntu / gcc-build-codecov	0s
ubuntu / clang-sanitizer-test-extended	0s
mac / clang-test-extended	0s
perf	0s
pages	0s
	1d 13h 51m 42s

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