Fixed test_case_13
Fixed test_case_13


Former-commit-id: b81a6709373942a5bf3aa231811c4f6c0adab722 [formerly d3b8faa0c7bf664c3bf23ab248a96bf2c805c681]
Former-commit-id: 3ab06ad725dc1084b40540b40a3ab5909d96fc90
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine