Fixed correlation test
Fixed correlation test


Former-commit-id: d0e3f16ef1f18431b9347b183f73a2240f346db6 [formerly afb6672dff3be35b194d040caf0dd45ebeeaea60]
Former-commit-id: a7709fbcbf3838bb66d463819a3b2d88da37a18e
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine