Added impala string tests
Added impala string tests

numba/numba,numba/numba,jriehl/numba,GaZ3ll3/numba,gmarkall/numba,pombredanne/numba,stonebig/numba,sklam/numba,ssarangi/numba,gmarkall/numba,pitrou/numba,IntelLabs/numba,sklam/numba,pombredanne/numba,ssarangi/numba,seibert/numba,GaZ3ll3/numba,cpcloud/numba,stonebig/numba,seibert/numba,stonebig/numba,GaZ3ll3/numba,gmarkall/numba,IntelLabs/numba,IntelLabs/numba,gdementen/numba,pitrou/numba,jriehl/numba,cpcloud/numba,stuartarchibald/numba,gdementen/numba,sklam/numba,cpcloud/numba,gmarkall/numba,GaZ3ll3/numba,seibert/numba,stefanseefeld/numba,jriehl/numba,GaZ3ll3/numba,numba/numba,stuartarchibald/numba,ssarangi/numba,seibert/numba,pombredanne/numba,gdementen/numba,IntelLabs/numba,stuartarchibald/numba,stonebig/numba,stefanseefeld/numba,numba/numba,cpcloud/numba,numba/numba,ssarangi/numba,jriehl/numba,stefanseefeld/numba,gmarkall/numba,cpcloud/numba,stonebig/numba,pitrou/numba,stuartarchibald/numba,sklam/numba,stefanseefeld/numba,gdementen/numba,sklam/numba,seibert/numba,stefanseefeld/numba,jriehl/numba,pitrou/numba,pombredanne/numba,pombredanne/numba,gdementen/numba,pitrou/numba,IntelLabs/numba,stuartarchibald/numba,ssarangi/numba