Run multirisk test with the demos[skip hazardlib][demos]
Run multirisk test with the demos[skip hazardlib][demos]


Former-commit-id: 6b3f934a3a2f3b45e273ad8f961855f348ceb664
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine