Made get_test_url_or_die() always return the same (predictable) URL under the same input environment
Made get_test_url_or_die() always return the same (predictable) URL under the same input environment

Ensembl/ensembl-hive,Ensembl/ensembl-hive,Ensembl/ensembl-hive,Ensembl/ensembl-hive