diff --git a/YACOSTest/src/dbFiller/Filler.java b/YACOSTest/src/dbFiller/Filler.java
index 263853c..c5c3e43 100644
--- a/YACOSTest/src/dbFiller/Filler.java
+++ b/YACOSTest/src/dbFiller/Filler.java
@@ -9,10 +9,8 @@ import javax.naming.NamingException;
 
 import org.yacos.core.article.Article;
 import org.yacos.core.article.IArticleManager;
-import org.yacos.core.article.Preference.PreferenceType;
 import org.yacos.core.conferences.Conference;
 import org.yacos.core.conferences.IConferenceManager;
-import org.yacos.core.evaluation.Criterion;
 import org.yacos.core.evaluation.IEvaluationManager;
 import org.yacos.core.exceptions.ConferenceDoesntExistException;
 import org.yacos.core.exceptions.PKAlreadyUsedException;
@@ -60,7 +58,10 @@ public class Filler {
 			// Add role for users
 
 			// admin
-
+			cm.addRole(RoleType.CHAIRMAN, admin.getLogin(), conf.getId());
+			cm.addRole(RoleType.PCMEMBER, admin.getLogin(), conf.getId());
+			cm.addRole(RoleType.REFEREE, admin.getLogin(), conf.getId());
+			cm.addRole(RoleType.AUTHOR, admin.getLogin(), conf.getId());
 			// chairman
 			cm.addRole(RoleType.CHAIRMAN, chairman.getLogin(), conf.getId());
 			cm.addRole(RoleType.PCMEMBER, chairman.getLogin(), conf.getId());
@@ -98,17 +99,12 @@ public class Filler {
 
 		// ajout de critere
 
-		Criterion c;
-
-		c = em.addCriterion("Les schtroumpfs sont-ils bons ?", 1, 5, 1);
-		c = em.addCriterion("Les gaulois sont-ils fous ?", 1, 4, 1);
-		c = em.addCriterion("Un nain est-il vraiment petit ?", 1, 5, 2);
-		c = em.addCriterion("Un chien peut-il se transformer en chat ?", 1, 4, 2);
-
+		em.addCriterion("Les schtroumpfs sont-ils bons ?", 1, 5, 1);
+		em.addCriterion("Les gaulois sont-ils fous ?", 1, 4, 1);
+		em.addCriterion("Un nain est-il vraiment petit ?", 1, 5, 2);
+		em.addCriterion("Un chien peut-il se transformer en chat ?", 1, 4, 2);
 
 		System.out.println("--> FIN OK");
 
 	}
-
-
 }
diff --git a/YACOSTest/src/org/yacos/tests/core/ArticleManagerTest.java b/YACOSTest/src/org/yacos/tests/core/ArticleManagerTest.java
index 49a130f..ea0bbb5 100644
--- a/YACOSTest/src/org/yacos/tests/core/ArticleManagerTest.java
+++ b/YACOSTest/src/org/yacos/tests/core/ArticleManagerTest.java
@@ -1,7 +1,10 @@
 package org.yacos.tests.core;
 
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 
 import java.util.ArrayList;
 import java.util.Date;
diff --git a/YACOSTest/src/org/yacos/tests/core/ConferenceManagerTest.java b/YACOSTest/src/org/yacos/tests/core/ConferenceManagerTest.java
index 3b962a5..4ef93d2 100644
--- a/YACOSTest/src/org/yacos/tests/core/ConferenceManagerTest.java
+++ b/YACOSTest/src/org/yacos/tests/core/ConferenceManagerTest.java
@@ -1,6 +1,9 @@
 package org.yacos.tests.core;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 
 import java.util.Date;
 import java.util.List;
@@ -9,7 +12,6 @@ import javax.naming.Context;
 import javax.naming.InitialContext;
 import javax.naming.NamingException;
 
-
 import org.junit.Before;
 import org.junit.BeforeClass;
 import org.junit.Test;
diff --git a/YACOSTest/src/org/yacos/tests/core/EvaluationManagerTest.java b/YACOSTest/src/org/yacos/tests/core/EvaluationManagerTest.java
index 57d54d3..079ba76 100644
--- a/YACOSTest/src/org/yacos/tests/core/EvaluationManagerTest.java
+++ b/YACOSTest/src/org/yacos/tests/core/EvaluationManagerTest.java
@@ -1,9 +1,12 @@
 package org.yacos.tests.core;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.List;
 
 import javax.naming.Context;
@@ -16,7 +19,6 @@ import org.junit.BeforeClass;
 import org.junit.Test;
 import org.yacos.core.article.Article;
 import org.yacos.core.article.IArticleManager;
-import org.yacos.core.conferences.Conference;
 import org.yacos.core.conferences.IConferenceManager;
 import org.yacos.core.evaluation.Criterion;
 import org.yacos.core.evaluation.IEvaluationManager;
@@ -25,6 +27,7 @@ import org.yacos.core.evaluation.Report;
 import org.yacos.core.exceptions.PKAlreadyUsedException;
 import org.yacos.core.users.IUserManager;
 
+@SuppressWarnings("unused")
 public class EvaluationManagerTest {
 
 	private static IEvaluationManager em;
diff --git a/YACOSTest/src/org/yacos/tests/core/InvitationTokenTest.java b/YACOSTest/src/org/yacos/tests/core/InvitationTokenTest.java
index 80ad23c..77df111 100644
--- a/YACOSTest/src/org/yacos/tests/core/InvitationTokenTest.java
+++ b/YACOSTest/src/org/yacos/tests/core/InvitationTokenTest.java
@@ -4,10 +4,14 @@
 package org.yacos.tests.core;
 
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 
 import java.util.Date;
 import java.util.List;
+
 import javax.naming.Context;
 import javax.naming.InitialContext;
 
diff --git a/YACOSTest/src/org/yacos/tests/core/UserManagerTest.java b/YACOSTest/src/org/yacos/tests/core/UserManagerTest.java
index 8f9717c..0045413 100644
--- a/YACOSTest/src/org/yacos/tests/core/UserManagerTest.java
+++ b/YACOSTest/src/org/yacos/tests/core/UserManagerTest.java
@@ -110,6 +110,7 @@ public class UserManagerTest {
 	
 	@Test
 	public void getUserByRoleType(){
+		@SuppressWarnings("unused")
 		Role role = cm.addRole(RoleType.PCMEMBER, "truc", conf_id);
 		List<User> list = um.getUsers(conf_id,RoleType.PCMEMBER);
 		assertFalse(list.isEmpty());
diff --git a/YACOSTest/src/org/yacos/tests/core/UserTest.java b/YACOSTest/src/org/yacos/tests/core/UserTest.java
index 27f490a..040f39d 100644
--- a/YACOSTest/src/org/yacos/tests/core/UserTest.java
+++ b/YACOSTest/src/org/yacos/tests/core/UserTest.java
@@ -1,6 +1,11 @@
 package org.yacos.tests.core;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
 import java.util.Date;
 import java.util.List;