Add scheduler tests #54

Job	Run time
Compiler: GNU 14	43s
CMake: Disable build testing	41s
Compiler: GNU 13	34s
CMake: Disable example building	28s
Compiler: LLVM 20	1m 14s
Compiler: LLVM 19	1m 13s
Preset: gcc-debug on ubuntu-latest	27s
Compiler: LLVM 18	1m 13s
Unit: Ubuntu GNU 20 Default	45s
Preset: gcc-release on ubuntu-latest	16s
Unit: Ubuntu GNU 20 TSan	26s
Preset: appleclang-debug on macos-latest	19s
Unit: Ubuntu GNU 20 MaxSan	1m 14s
Preset: appleclang-release on macos-latest	24s
Unit: Ubuntu GNU 23 Default	50s
Preset: msvc-debug on windows-latest	1m 11s
Unit: Ubuntu GNU 23 TSan	25s
Preset: msvc-release on windows-latest	1m 9s
Unit: Ubuntu GNU 23 MaxSan	1m 6s
Unit: Ubuntu GNU 26 Default	50s
Unit: Ubuntu GNU 26 TSan	25s
Unit: Ubuntu GNU 26 MaxSan	1m 7s
Unit: Ubuntu LLVM 20 Default	1m 34s
Unit: Ubuntu LLVM 20 TSan	57s
Unit: Ubuntu LLVM 20 MaxSan	1m 46s
Unit: Ubuntu LLVM 23 Default	1m 33s
Unit: Ubuntu LLVM 23 TSan	59s
Unit: Ubuntu LLVM 23 MaxSan	1m 46s
Unit: Ubuntu LLVM 26 Default	1m 33s
Unit: Ubuntu LLVM 26 TSan	51s
Unit: Ubuntu LLVM 26 MaxSan	1m 48s
Unit: Windows MSVC 20 Default	2m 8s
Unit: Windows MSVC 20 MaxSan	1m 43s
Unit: Windows MSVC 23 Default	1m 48s
Unit: Windows MSVC 23 MaxSan	1m 50s
Unit: Windows MSVC 26 Default	1m 44s
Unit: Windows MSVC 26 MaxSan	1m 49s
Unit: Ubuntu GCC 23 Werror	45s
Unit: Ubuntu GCC 23 Dynamic	50s
create-issue-when-fault	0s
	42m 24s

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