[CMake] Don't set the PATH variable in any test environment
#21014
+24
−66
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If things are set up correctly with CMake targets and using
gROOT->GetBinDir()at runtime to find the ROOT executables corresponding to the current ROOT build, settingPATHshould never be needed.This stress tests a bit more ROOTs capability of being independend of environment variables, and also makes the CMake code more consistent between platforms.
This is the same as #21003, but for the other tests in ROOT that are not the tutorial tests.