TEST: Add unit test for tag message truncated error.
TEST: Add unit test for tag message truncated error.

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