Fix method name

Author: ethanhann

IntegrationEngine.Tests/EngineHostConfigurationTest.cs

@@ -113,15 +113,15 @@ public void ShouldSetupRScriptRunner()
         public void ShouldShutdownSchedulerAndDisposeOfMessageQueueListener()
         {
             var mockEngineScheduler = new Mock<IEngineScheduler>();
-            mockEngineScheduler.Setup(x => x.Shutdown());
+            mockEngineScheduler.Setup(x => x.Dispose());
             UnityContainer.RegisterInstance<IEngineScheduler>(mockEngineScheduler.Object);
             var mockMessageQueueListener = new Mock<IMessageQueueListener>();
             mockMessageQueueListener.Setup(x => x.Dispose());
             UnityContainer.RegisterInstance<IMessageQueueListener>(mockMessageQueueListener.Object);
 
             Subject.Dispose();
 
-            mockEngineScheduler.Verify(x => x.Shutdown(), Times.Once);
+            mockEngineScheduler.Verify(x => x.Dispose(), Times.Once);
             mockMessageQueueListener.Verify(x => x.Dispose(), Times.Once);
         }
     }