OWLTools testing cleaning and updates around ECO#321

Draft

kltm wants to merge 2 commits intomasterfrom issue-pipeline-251-iea-golr-load

+41,613-135

Commits on Oct 12, 2021

attempt to clean up older eco-related tests; updating resources for eco tests; add some testing for IEAs; attempting clarifying work on work on geneontology/pipeline#251
kltm
committed

Commits on Oct 13, 2021

can now (likely) simulate problem; added to test, issue seems to be getClassesForGoCode; work on geneontology/pipeline#251
kltm
committed