Fixed DbTestCase
Fixed DbTestCase


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Former-commit-id: 05298218bff22c2d7f49083653f619c1fc75e7e0
Former-commit-id: db480fe3edb8347b99c5aade12dd780c895999c7
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine