See https://github.com/intermine/biotestmine/blob/b6f22a746d75ea21df04eb45d7a4e9f5e96daf42/webapp/src/main/webapp/WEB-INF/web.properties#L68 - it's hard to test list upload in bluegenes with the wrong identifiers - they seem to all be fly ids.
See
biotestmine/webapp/src/main/webapp/WEB-INF/web.properties
Line 68 in b6f22a7