Fix tests under non-english locale.
Fix tests under non-english locale.


Former-commit-id: bbcffd6e02e59c8b0f9c9d3cf6ac5b8cb484b250 [formerly bbcffd6e02e59c8b0f9c9d3cf6ac5b8cb484b250 [formerly 0ca35bc7cc7409aaccbd7ec24434cac7a48e82d1]]
Former-commit-id: 7fbe70dcca35607c204f17311d898f5602351512
Former-commit-id: 0026afcbf7faf7f78f12092f2ef0ffa09fd7de30
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine