Fix test failure due to metadata being None when loaded from cache
Fix test failure due to metadata being None when loaded from cache

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