Refactor example lists in `test_unicode.py`
Refactor example lists in `test_unicode.py`

Per PR review comment.

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