Use the dtype directly in the test
Use the dtype directly in the test

Hopefully this fill fix the test failures on Windows.

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