add more tests
add more tests


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Former-commit-id: d420bc2369cdb6c42c9b8885ced00a01f814c0d7
Former-commit-id: 8d8f1219a0f240c9664469020184af25de5cfd01
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine