Used a temporary export_dir in the tests
Used a temporary export_dir in the tests


Former-commit-id: 7115a6efb80d3a67a289f128bd02ff0b3fab4cac [formerly 7c21ddbf95697f66d3555166b1e3803454335a74]
Former-commit-id: b06ae5bf70317176cac2ee270f8dfce5349d1abb
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine