ontology, taxonomy: improve testing support, add tests
ontology, taxonomy: improve testing support, add tests

kbase/kbase-ui,kbase/kbase-ui,eapearson/kbase-ui,eapearson/kbase-ui,eapearson/kbase-ui,kbase/kbase-ui,eapearson/kbase-ui,kbase/kbase-ui,kbase/kbase-ui,eapearson/kbase-ui