tests/job/validation_test:
tests/job/validation_test:

Made `EventBasedHazardFormTestCase` test cases more DRY.


Former-commit-id: ed59dac56dc6ba4966cf3c767235ccb2548ee379
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine