diff --git a/YACOSTest/src/org/yacos/tests/core/ConferenceManagerTest.java b/YACOSTest/src/org/yacos/tests/core/ConferenceManagerTest.java
index 9e3110c..de02775 100644
--- a/YACOSTest/src/org/yacos/tests/core/ConferenceManagerTest.java
+++ b/YACOSTest/src/org/yacos/tests/core/ConferenceManagerTest.java
@@ -24,8 +24,8 @@ import org.yacos.core.users.User;
 public class ConferenceManagerTest {
 	static IConferenceManager cm;
 	static IUserManager um;
-	int id;
-	Conference conf;
+	static int id;
+	static Conference conf;
 	
 	@BeforeClass
 	public static void setUpManager() throws NamingException, PKAlreadyUsedException {
@@ -36,21 +36,11 @@ public class ConferenceManagerTest {
 		if(!um.exists("max")){
 			um.addUser("max","pw","maxime","dagn","ipint", "e@e.fr");
 		}
-	}
-	
-	@Before
-	public void setUpConferences() {
 		conf = cm.addConference("titre","desc conf","info en plus",new Date(),new Date(),new Date(),new Date(),new Date());
 		id = conf.getId();
 	}
 	
-	@After
-	public void unSetUpConferences(){
-		conf = cm.getConference(id);
-		if (conf != null){
-			cm.remove(conf);
-		}
-	}
+		
 	
 	@Test
 	public void getConferenceTest(){
@@ -86,7 +76,6 @@ public class ConferenceManagerTest {
 		User user = um.getUser("max");
 		cm.addRole(Role.RoleType.AUTHOR, user , conf);	
 	}
-	
 		
 	@Test
 	public void getRolesTest(){
@@ -102,12 +91,11 @@ public class ConferenceManagerTest {
 	public void getConferencesForUserTest(){
 		User user = um.getUser("max");
 		List<Conference> list = cm.getConferences(user);
-		conf = list.get(0);
 		assertNotNull(conf);
 	}
 
 	@Test
-	public void getRolesForUserConfTest(){
+	public void getRolesForUserAndConfTest(){
 		User user = um.getUser("max");
 		List<Role> list = cm.getRoles(user, conf);
 		assertFalse("liste vide",list.isEmpty());
diff --git a/YACOSTest/src/org/yacos/tests/core/UserManagerTest.java b/YACOSTest/src/org/yacos/tests/core/UserManagerTest.java
new file mode 100644
index 0000000..7f1653e
--- /dev/null
+++ b/YACOSTest/src/org/yacos/tests/core/UserManagerTest.java
@@ -0,0 +1,35 @@
+package org.yacos.tests.core;
+
+import javax.naming.Context;
+import javax.naming.InitialContext;
+import javax.naming.NamingException;
+
+import org.junit.After;
+import org.junit.BeforeClass;
+import org.yacos.core.exceptions.PKAlreadyUsedException;
+import org.yacos.core.users.IUserManager;
+
+
+public class UserManagerTest {
+	static IUserManager um;
+	
+	@BeforeClass
+	public static void setUpManager() throws NamingException, PKAlreadyUsedException {
+		Context context = new InitialContext();
+		
+		um = (IUserManager) context.lookup("UserManagerBean/remote");
+		
+		if(!um.exists("max")){
+			um.addUser("max","pw","maxime","dagn","ipint", "e@e.fr");
+		}
+	}
+	
+	@After
+	public void ControleUser() throws PKAlreadyUsedException{
+		if(!um.exists("max")){
+			um.addUser("max","pw","maxime","dagn","ipint", "e@e.fr");
+		}
+	}
+	
+
+}