tests

split gdb and valgrind testers. #2487

Job	Run time
test_indentation	29s
coverage	1m 17s
test_linux_non_unity_no_optional_dependencies (ubuntu-24.04, Debug)	23s
test_linux_and_macos (ubuntu-22.04, Release)	43s
test_linux_and_macos (ubuntu-22.04, Debug)	43s
linux-gdb (ubuntu-22.04, Debug)	44s
test_linux_and_macos (ubuntu-24.04, Debug)	43s
test_linux_and_macos (macos-13, Debug)	44s
test_linux_and_macos (macos-13, Release)	45s
test_windows (windows-2022, Release, Visual Studio 17 2022)	39s
linux-valgrind (ubuntu-22.04, Debug)	43s
test_linux_and_macos_mpi (ubuntu-24.04, Release)	37s
test_linux_and_macos (ubuntu-24.04, Release)	43s
test_linux_and_macos_mpi (macos-13, Release)	1s
linux-clang_flang_mpi (ubuntu-24.04, Debug)	1s
test_windows (windows-2022, Debug, Visual Studio 17 2022)	1s
linux-cmake_mpi	1s
linux-gcc_mpi	1s
linux-clang_gfortran_mpi	1s
linux-gcc_no_apps	1s
	9m 20s

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