prefix obo: was replace with the prefix of the corresponding obo foundry ontologies: bfo, iao, ro, obi, ico, ncbitaxon, gaz, cro
test def test_obo_ontos_resolution was introduced to test IRI obo foundry ontologies
IAO ontology IRI was unpinned from a specific version ( @StroemPhi please double check if IAO was not previously pinned to a version for a reason. We can revert that change :)
@StroemPhi wait for me to add a test, before you merge