diff --git a/src/test/java/org/gcube/vremanagement/executor/client/DefaultExecutorTest.java b/src/test/java/org/gcube/vremanagement/executor/client/DefaultExecutorTest.java
index 87ea0e7..5767ab2 100644
--- a/src/test/java/org/gcube/vremanagement/executor/client/DefaultExecutorTest.java
+++ b/src/test/java/org/gcube/vremanagement/executor/client/DefaultExecutorTest.java
@@ -6,6 +6,7 @@ package org.gcube.vremanagement.executor.client;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
+import java.util.concurrent.TimeUnit;
 
 import org.acme.HWPluginStateNotification;
 import org.acme.HelloWorldPlugin;
@@ -17,6 +18,7 @@ import org.gcube.vremanagement.executor.client.plugins.ExecutorPlugin;
 import org.gcube.vremanagement.executor.client.proxies.SmartExecutorProxy;
 import org.gcube.vremanagement.executor.exception.PluginInstanceNotFoundException;
 import org.gcube.vremanagement.executor.exception.PluginNotFoundException;
+import org.gcube.vremanagement.executor.json.SEMapper;
 import org.gcube.vremanagement.executor.plugin.PluginState;
 import org.junit.Assert;
 import org.junit.Before;
@@ -67,7 +69,7 @@ public class DefaultExecutorTest extends ScopedTest {
 	public void testOk() throws Exception {
 		Map<String, Object> inputs = new HashMap<String, Object>();
 		inputs.put("Hello", "World");
-		long sleepTime = 10000; // 1000 millisec * 10 = 10 sec
+		long sleepTime = TimeUnit.SECONDS.toMillis(10);
 		inputs.put(HelloWorldPlugin.SLEEP_TIME, sleepTime);
 		LaunchParameter launchParameter = new LaunchParameter(HelloWorldPluginDeclaration.NAME, inputs);
 		
@@ -76,7 +78,8 @@ public class DefaultExecutorTest extends ScopedTest {
 		launchParameter.addPluginStateNotifications(HWPluginStateNotification.class, notificationInputs);
 		try {
 			String executionIdentifier = proxy.launch(launchParameter);
-
+			logger.debug("Execution Identifier {}", executionIdentifier);
+			
 			Thread.sleep(1000); // 1 sec
 			Assert.assertEquals(PluginState.RUNNING, proxy.getStateEvolution(executionIdentifier).getPluginState());
 			
@@ -93,6 +96,27 @@ public class DefaultExecutorTest extends ScopedTest {
 		
 	}
 	
+	@Test
+	public void testSerilization() throws Exception {
+		Map<String, Object> inputs = new HashMap<String, Object>();
+		inputs.put("Hello", "World");
+		long sleepTime = TimeUnit.SECONDS.toMillis(20);
+		inputs.put(HelloWorldPlugin.SLEEP_TIME, sleepTime);
+		int minuteinterval = 2;
+		// Every 5 minutes, for 12 times (one hour totally).
+		Scheduling scheduling = new Scheduling(60*minuteinterval,12,true);
+		scheduling.setGlobal(false);
+		
+		LaunchParameter launchParameter = new LaunchParameter(HelloWorldPluginDeclaration.NAME, inputs, scheduling);
+		Map<String, String> notificationInputs = new HashMap<String, String>();
+		notificationInputs.put("Hello", "Hello World Notification:) :)");
+		launchParameter.addPluginStateNotifications(HWPluginStateNotification.class, notificationInputs);
+		
+		
+		
+		logger.debug(SEMapper.marshal(launchParameter));
+	}
+	
 	
 	@Test
 	public void testScheduledTaskNotPersisted() throws Exception {
@@ -101,7 +125,7 @@ public class DefaultExecutorTest extends ScopedTest {
 		
 		Map<String, Object> inputs = new HashMap<String, Object>();
 		inputs.put("Hello", "World");
-		long sleepTime = 20000; // 1000 millisec * 20 = 20 sec
+		long sleepTime = TimeUnit.SECONDS.toMillis(20);
 		inputs.put(HelloWorldPlugin.SLEEP_TIME, sleepTime);
 		int minuteinterval = 2;
 		// Every 5 minutes, for 12 times (one hour totally).