bump mock to 1.3.0
bump mock to 1.3.0

jobscore/sync-engine,jobscore/sync-engine,jobscore/sync-engine,nylas/sync-engine,closeio/nylas,closeio/nylas,jobscore/sync-engine,closeio/nylas,nylas/sync-engine,nylas/sync-engine,closeio/nylas,nylas/sync-engine