Added simple regression test for the bcr event based risk calculator
Added simple regression test for the bcr event based risk calculator


Former-commit-id: e3e520f2edca05bc82a111571ad4340dcd17da8f [formerly 967d75c9742b0513aec421d94e87ad81ba852ef7]
Former-commit-id: 6f1e0d60cc9e0ebf3f59d638aed6bf470c146d38
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine