packager: add absolute path to nosetests
packager: add absolute path to nosetests

Former-commit-id: efb8e01ce0f2c03419b8848e43930423745b9623 [formerly a8bf9a13ce4611ead853c1247bbba4f2263868bd]
Former-commit-id: 2b4d5b922261fa1b23cfe88d954b19e973e5ac3d
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine