Relaxed the export test relying on a precise number of gmfs to be generated
Relaxed the export test relying on a precise number of gmfs to be generated


Former-commit-id: b753d939b3e03552f3e76b7f9ea680ecbf5a4f0e
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine