JENKINS: Unset LD_LIBRARY_PATH for MPI tests
JENKINS: Unset LD_LIBRARY_PATH for MPI tests

abouteiller/ucx,shssf/ucx,sergsagal1/ucx_rocm,abouteiller/ucx,abouteiller/ucx,shssf/ucx,abouteiller/ucx,sergsagal1/ucx_rocm,sergsagal1/ucx_rocm,shssf/ucx