Add test for RNAProductAdaptor::fetch_all_by_external_name()
Add test for RNAProductAdaptor::fetch_all_by_external_name()

james-monkeyshines/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,muffato/ensembl,Ensembl/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,muffato/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,muffato/ensembl,muffato/ensembl