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

Made `ScenarioFormTestCase` tests more DRY.


Former-commit-id: 4a0713b63f5ec0ac824b3f093c3e067f4f3485a2 [formerly cd9d0120f3ee692b7f7bab8ce06ec8d6807781c5]
Former-commit-id: a072b8d5570a9a1e2062ea5139537dca5f2b60e2
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine