mock job registration validation method

Author: ethanhann

IntegrationEngine.Tests/Api/Controllers/CronTriggerControllerTest.cs

@@ -21,6 +21,7 @@ public void ShouldScheduleJobWhenCronTriggerIsCreatedWithValidCronExpression()
             };
             var engineScheduler = new Mock<IEngineScheduler>();
             engineScheduler.Setup(x => x.ScheduleJobWithCronTrigger(expected));
+            engineScheduler.Setup(x => x.IsJobTypeRegistered(expected.JobType)).Returns(true);
             subject.EngineScheduler = engineScheduler.Object;
             var esRepository = new Mock<ESRepository<CronTrigger>>();
             esRepository.Setup(x => x.Insert(expected)).Returns(expected);