Relaxed test_case_13 and 15
Relaxed test_case_13 and 15


Former-commit-id: 3e43b0320839a71312ba6b8273f5d8cad9f1e168 [formerly e02993641a347c325206e5dfea0b980ecd28c2c9]
Former-commit-id: e768add217e7f71cab6f61c98607ce8c5c497f4b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine