Fix tests folder globbing in codecov #6964

Job	Run time
macos (macOS-GCC14-NoMPI-Real)	20m 13s
spack-centos-stream (GCC11-NoMPI-Debug-Real)	19m 46s
linux (GCC9-NoMPI-Debug-Real)	16m 46s
spack-centos-stream (GCC11-NoMPI-NoOMP-Real)	18m 25s
linux (GCC9-NoMPI-NoOMP-Real)	15m 32s
spack-centos-stream (GCC11-NoMPI-NoOMP-Complex)	17m 58s
linux (GCC9-NoMPI-NoOMP-Complex)	15m 53s
spack-centos-stream (GCC11-NoMPI-Sandbox-Real)	4m 25s
linux (GCC9-MPI-Sandbox-Real)	3m 51s
linux (GCC9-NoMPI-Sandbox-Complex)	3m 51s
linux (GCC9-MPI-Gcov-Real)	26m 52s
linux (GCC9-MPI-Gcov-Complex)	26m 44s
linux (GCC12-NoMPI-Werror-Real)	19m 1s
linux (GCC12-NoMPI-Werror-Complex)	19m 11s
linux (GCC12-NoMPI-Werror-Real-Mixed)	17m 55s
linux (GCC12-NoMPI-Werror-Complex-Mixed)	19m 12s
linux (Clang14-NoMPI-ASan-Real)	23m 32s
linux (Clang14-NoMPI-ASan-Complex)	23m 11s
linux (Clang14-NoMPI-UBSan-Real)	22m 48s
linux (Clang16-NoMPI-Offload-Real)	21m 37s
linux (Clang16-NoMPI-Offload-Complex)	21m 36s
	6h 18m 19s

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