Adds missing "stop"

* Additional tcp server was not stopped correctly

Change-Id: I07dad0044dc105d2ed82c30ccc47bf75e4f71be2
Signed-off-by: Frank Schnicke <frank.schnicke@iese.fraunhofer.de>
diff --git a/examples/basys.examples/src/test/java/org/eclipse/basyx/examples/mockup/devicemanager/BaSyxTCPControlManufacturingDeviceManager.java b/examples/basys.examples/src/test/java/org/eclipse/basyx/examples/mockup/devicemanager/BaSyxTCPControlManufacturingDeviceManager.java
index 99b63e5..0959b41 100644
--- a/examples/basys.examples/src/test/java/org/eclipse/basyx/examples/mockup/devicemanager/BaSyxTCPControlManufacturingDeviceManager.java
+++ b/examples/basys.examples/src/test/java/org/eclipse/basyx/examples/mockup/devicemanager/BaSyxTCPControlManufacturingDeviceManager.java
@@ -134,6 +134,12 @@
 		server.start();

 	}

 	

+	@Override

+	public void stop() {

+		super.stop();

+		// End server

+		server.stop();

+	}

 	

 	

 	/**