Add missing sleep in `decreaseInactivityForInactiveDeviceTest()`

application/src/test/java/org/thingsboard/server/service/state/DefaultDeviceStateServiceTest.java

@@ -330,6 +330,7 @@ public class DefaultDeviceStateServiceTest {
         Mockito.reset(telemetrySubscriptionService);
 
         long newTimeout = 1;
+        Thread.sleep(newTimeout);
 
         service.onDeviceInactivityTimeoutUpdate(tenantId, deviceId, newTimeout);
         Mockito.verify(telemetrySubscriptionService, Mockito.never()).saveAttrAndNotify(Mockito.any(), Mockito.eq(deviceId), Mockito.any(), Mockito.eq("active"), Mockito.any(), Mockito.any());