Serialize testing to work around bug.
Serialize testing to work around bug.

As title.

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