@isTest private class UpdateAssetReturnTimeScheduleTest { static testMethod void testMethod1() { String CRON_EXP = '0 0 0 3 9 ? 2022'; System.Test.startTest(); String jobId = system.schedule('UpdateAssetReturnTimeScheduleTest', CRON_EXP, new UpdateAssetReturnTimeSchedule()); System.Test.stopTest(); } }