add skip_parfors_unsupported in TestThreadingLayerPriority where parallel is not supported in 32-bit systems
add skip_parfors_unsupported
in TestThreadingLayerPriority where
parallel is not supported in 32-bit systems

numba/numba,IntelLabs/numba,numba/numba,numba/numba,cpcloud/numba,cpcloud/numba,numba/numba,cpcloud/numba,IntelLabs/numba,cpcloud/numba,numba/numba,seibert/numba,seibert/numba,IntelLabs/numba,cpcloud/numba,IntelLabs/numba,seibert/numba,IntelLabs/numba,seibert/numba,seibert/numba