Extended timeout for slow boxes (Pi and CI/CD), added NOSONAR

modules/hcc-model/src/test/java/net/sf/dz3r/device/actuator/NullCqrsSwitchTest.java

@@ -35,7 +35,7 @@ private void test(NullCqrsSwitch s) throws InterruptedException {
         logger.info("done sending");
 
         // Let things settle down
-        Thread.sleep(100);
+        Thread.sleep(200); //NOSONAR Risks have been considered
 
         assertThat(s.getState().queueDepth).isZero();
     }