Improve tests for multidimensional CFFI arrays.
Improve tests for multidimensional CFFI arrays.

numba/numba,seibert/numba,cpcloud/numba,IntelLabs/numba,gmarkall/numba,cpcloud/numba,seibert/numba,sklam/numba,jriehl/numba,stuartarchibald/numba,IntelLabs/numba,stuartarchibald/numba,stuartarchibald/numba,sklam/numba,jriehl/numba,numba/numba,IntelLabs/numba,stuartarchibald/numba,gmarkall/numba,jriehl/numba,seibert/numba,cpcloud/numba,sklam/numba,IntelLabs/numba,stonebig/numba,stonebig/numba,seibert/numba,stuartarchibald/numba,stonebig/numba,jriehl/numba,cpcloud/numba,jriehl/numba,sklam/numba,stonebig/numba,numba/numba,cpcloud/numba,gmarkall/numba,stonebig/numba,numba/numba,seibert/numba,IntelLabs/numba,sklam/numba,numba/numba,gmarkall/numba,gmarkall/numba