put back output.fa in test-data to see whether it makes travis happier
put back output.fa in test-data to see whether it makes travis happier

chamaelj/tools-artbio,drosofff/tools-artbio,ARTbio/tools-artbio,drosofff/tools-artbio,drosofff/tools-artbio,chamaelj/tools-artbio,ARTbio/tools-artbio,drosofff/tools-artbio,ARTbio/tools-artbio,ARTbio/tools-artbio,chamaelj/tools-artbio