Fixed the duration when generating the HTML reports
Fixed the duration when generating the HTML reports


Former-commit-id: 2090f23b4f55554f865b6db8c8486d314d7fa9a4 [formerly e07b59e93ce03ea8308e931ad96fa8e187feae7f] [formerly e07b59e93ce03ea8308e931ad96fa8e187feae7f [formerly b3bb8573870709e275602e25d23f762aec53c8d5]]
Former-commit-id: 5f8340ea293efc4e003e75721695c23b0966f1c7
Former-commit-id: 845552860565c23846de116f59cdd7fe5b037958
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine