[math] migrate old Makefiles to CMake and reenable non-covered tests

[ferdymercury]

Split-off #21820 as requested by @pcanal and @linev

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[linev]

There are three points in smatrix/test/ subdirectory:

1. Do we need test reflex dictionaries
2. Is linking with CLHEP library crucial, do it properly
3. How to use old ROOT files stored in the directory

[linev]

There are two ROOT files in the directory which were generated by the tests.
One should try use these files for tests.
Most probably one need to make custom ROOT_ADD_TEST commands providing file name as argument

[ferdymercury]

you mean checking that the result generated by the test is compatible with that reference?

https://github.com/ferdymercury/root/blob/5ce524b96321eb747d38c3c7358980ee2ef0976d/math/smatrix/test/testOperations.cxx#L776

they get recreated at every run. so i guess that reference was done on an old SLC3 and gcc3

[linev]

Yes, we can extend testOperations.cxx and try to read old files as well.

[ferdymercury]

There are three points in smatrix/test/ subdirectory:

1. Do we need test reflex dictionaries

2. Is linking with CLHEP library crucial, do it properly

3. How to use old ROOT files stored in the directory

No idea whether those things are relevant, I just reenabled something that was there. If not relevant, we should just delete the whole test :)