changed test to test for optional code name to be passed to fetch_all_by_ and remove_from_
changed test to test for optional code name to be passed to fetch_all_by_ and remove_from_

danstaines/ensembl,mjg17/ensembl,mjg17/ensembl,Ensembl/ensembl,at7/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,muffato/ensembl,at7/ensembl,willmclaren/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,muffato/ensembl,james-monkeyshines/ensembl,muffato/ensembl,Ensembl/ensembl,danstaines/ensembl,james-monkeyshines/ensembl,at7/ensembl,muffato/ensembl,mjg17/ensembl,willmclaren/ensembl,danstaines/ensembl,at7/ensembl,Ensembl/ensembl