diff --git a/jetty-hazelcast/src/main/java/org/eclipse/jetty/hazelcast/session/HazelcastSessionDataStoreFactory.java b/jetty-hazelcast/src/main/java/org/eclipse/jetty/hazelcast/session/HazelcastSessionDataStoreFactory.java
index 7959f8a5072..766920ed9c3 100644
--- a/jetty-hazelcast/src/main/java/org/eclipse/jetty/hazelcast/session/HazelcastSessionDataStoreFactory.java
+++ b/jetty-hazelcast/src/main/java/org/eclipse/jetty/hazelcast/session/HazelcastSessionDataStoreFactory.java
@@ -121,6 +121,11 @@ public class HazelcastSessionDataStoreFactory
         return onlyClient;
     }
 
+    /**
+     *
+     * @param onlyClient if <code>true</code> the session manager will only connect to an external Hazelcast instance
+     *                   and not use this JVM to start an Hazelcast instance
+     */
     public void setOnlyClient( boolean onlyClient )
     {
         this.onlyClient = onlyClient;
diff --git a/tests/test-sessions/test-hazelcast-sessions/pom.xml b/tests/test-sessions/test-hazelcast-sessions/pom.xml
index 2bd1287e31e..9ad03019564 100644
--- a/tests/test-sessions/test-hazelcast-sessions/pom.xml
+++ b/tests/test-sessions/test-hazelcast-sessions/pom.xml
@@ -49,6 +49,15 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-surefire-plugin</artifactId>
+        <configuration>
+          <systemPropertyVariables>
+            <java.util.logging.config.file>${project.build.testOutputDirectory}/logging.properties</java.util.logging.config.file>
+          </systemPropertyVariables>
+        </configuration>
+      </plugin>
     </plugins>
   </build>
   <dependencies>
@@ -88,7 +97,6 @@
       <artifactId>jetty-test-helper</artifactId>
       <scope>test</scope>
     </dependency>
-
   </dependencies>
 
 </project>
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredLastAccessTimeTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredLastAccessTimeTest.java
index aabffb8dfda..204897ee78d 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredLastAccessTimeTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredLastAccessTimeTest.java
@@ -20,19 +20,29 @@ package org.eclipse.jetty.hazelcast.session;
 
 import org.eclipse.jetty.server.session.AbstractClusteredLastAccessTimeTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
 
 public class ClusteredLastAccessTimeTest
     extends AbstractClusteredLastAccessTimeTest
 {
 
+    HazelcastSessionDataStoreFactory factory;
+
     /**
      * @see org.eclipse.jetty.server.session.AbstractTestBase#createSessionDataStoreFactory()
      */
     @Override
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
-        HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory = new HazelcastSessionDataStoreFactory();
+        factory.setMapName( Long.toString( System.currentTimeMillis() ) );
         return factory;
     }
 
+    @After
+    public void shutdown()
+    {
+        factory.getHazelcastInstance().getMap( factory.getMapName() ).clear();
+    }
+
 }
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredOrphanedSessionTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredOrphanedSessionTest.java
index e5a0be0a09a..466f430b647 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredOrphanedSessionTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredOrphanedSessionTest.java
@@ -21,6 +21,7 @@ package org.eclipse.jetty.hazelcast.session;
 
 import org.eclipse.jetty.server.session.AbstractClusteredOrphanedSessionTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
 
 /**
  * ClusteredOrphanedSessionTest
@@ -29,6 +30,7 @@ public class ClusteredOrphanedSessionTest
     extends AbstractClusteredOrphanedSessionTest
 {
 
+    HazelcastSessionDataStoreFactory factory;
 
     /**
      * @see org.eclipse.jetty.server.session.AbstractTestBase#createSessionDataStoreFactory()
@@ -36,9 +38,14 @@ public class ClusteredOrphanedSessionTest
     @Override
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
-        HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory = new HazelcastSessionDataStoreFactory();
+        factory.setMapName( Long.toString( System.currentTimeMillis() ) );
         return factory;
     }
 
-
+    @After
+    public void shutdown()
+    {
+        factory.getHazelcastInstance().getMap( factory.getMapName() ).clear();
+    }
 }
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredSessionMigrationTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredSessionMigrationTest.java
index b6a310f22ff..361aac257bc 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredSessionMigrationTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredSessionMigrationTest.java
@@ -21,6 +21,7 @@ package org.eclipse.jetty.hazelcast.session;
 
 import org.eclipse.jetty.server.session.AbstractClusteredSessionMigrationTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
 
 /**
  * ClusteredSessionMigrationTest
@@ -28,6 +29,7 @@ import org.eclipse.jetty.server.session.SessionDataStoreFactory;
 public class ClusteredSessionMigrationTest
     extends AbstractClusteredSessionMigrationTest
 {
+    HazelcastSessionDataStoreFactory factory;
 
     /**
      * @see org.eclipse.jetty.server.session.AbstractTestBase#createSessionDataStoreFactory()
@@ -35,7 +37,14 @@ public class ClusteredSessionMigrationTest
     @Override
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
-        HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory = new HazelcastSessionDataStoreFactory();
+        factory.setMapName( Long.toString( System.currentTimeMillis() ) );
         return factory;
     }
+
+    @After
+    public void shutdown()
+    {
+        factory.getHazelcastInstance().getMap( factory.getMapName() ).clear();
+    }
 }
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredSessionScavengingTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredSessionScavengingTest.java
index 0d626c33fa7..e4bd2f8868f 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredSessionScavengingTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ClusteredSessionScavengingTest.java
@@ -21,6 +21,7 @@ package org.eclipse.jetty.hazelcast.session;
 
 import org.eclipse.jetty.server.session.AbstractClusteredSessionScavengingTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
 
 /**
  * ClusteredSessionScavengingTest
@@ -29,13 +30,22 @@ public class ClusteredSessionScavengingTest
     extends AbstractClusteredSessionScavengingTest
 {
 
+    HazelcastSessionDataStoreFactory factory;
+
     /**
      * @see org.eclipse.jetty.server.session.AbstractTestBase#createSessionDataStoreFactory()
      */
     @Override
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
-        HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory = new HazelcastSessionDataStoreFactory();
+        factory.setMapName( Long.toString( System.currentTimeMillis() ) );
         return factory;
     }
+
+    @After
+    public void shutdown()
+    {
+        factory.getHazelcastInstance().getMap( factory.getMapName() ).clear();
+    }
 }
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ModifyMaxInactiveIntervalTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ModifyMaxInactiveIntervalTest.java
index 5570d0946ba..68d9a51d468 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ModifyMaxInactiveIntervalTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/ModifyMaxInactiveIntervalTest.java
@@ -21,6 +21,7 @@ package org.eclipse.jetty.hazelcast.session;
 
 import org.eclipse.jetty.server.session.AbstractModifyMaxInactiveIntervalTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
 
 /**
  * ModifyMaxInactiveIntervalTest
@@ -29,14 +30,23 @@ public class ModifyMaxInactiveIntervalTest
     extends AbstractModifyMaxInactiveIntervalTest
 {
 
+    HazelcastSessionDataStoreFactory factory;
+
     /**
      * @see org.eclipse.jetty.server.session.AbstractTestBase#createSessionDataStoreFactory()
      */
     @Override
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
-        HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory = new HazelcastSessionDataStoreFactory();
+        factory.setMapName( Long.toString( System.currentTimeMillis() ) );
         return factory;
     }
 
+    @After
+    public void shutdown()
+    {
+        factory.getHazelcastInstance().getMap( factory.getMapName() ).clear();
+    }
+
 }
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/NonClusteredSessionScavengingTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/NonClusteredSessionScavengingTest.java
index 8c024268b0f..e364bb085ad 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/NonClusteredSessionScavengingTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/NonClusteredSessionScavengingTest.java
@@ -21,6 +21,7 @@ package org.eclipse.jetty.hazelcast.session;
 
 import org.eclipse.jetty.server.session.AbstractNonClusteredSessionScavengingTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
 
 import static org.junit.Assert.*;
 
@@ -31,6 +32,8 @@ public class NonClusteredSessionScavengingTest
     extends AbstractNonClusteredSessionScavengingTest
 {
 
+    HazelcastSessionDataStoreFactory factory;
+
     /**
      * @see org.eclipse.jetty.server.session.AbstractNonClusteredSessionScavengingTest#assertSession(java.lang.String, boolean)
      */
@@ -63,7 +66,14 @@ public class NonClusteredSessionScavengingTest
     @Override
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
-        HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory = new HazelcastSessionDataStoreFactory();
+        factory.setMapName( Long.toString( System.currentTimeMillis() ) );
         return factory;
     }
+
+    @After
+    public void shutdown()
+    {
+        factory.getHazelcastInstance().getMap( factory.getMapName() ).clear();
+    }
 }
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/SessionExpiryTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/SessionExpiryTest.java
index ae911a0614b..2d51f25109d 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/SessionExpiryTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/SessionExpiryTest.java
@@ -21,20 +21,30 @@ package org.eclipse.jetty.hazelcast.session;
 
 import org.eclipse.jetty.server.session.AbstractSessionExpiryTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
 import org.junit.Test;
 
 public class SessionExpiryTest
     extends AbstractSessionExpiryTest
 {
 
+    HazelcastSessionDataStoreFactory factory;
+
     /**
      * @see org.eclipse.jetty.server.session.AbstractTestBase#createSessionDataStoreFactory()
      */
     @Override
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
-        HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory = new HazelcastSessionDataStoreFactory();
+        factory.setMapName( Long.toString( System.currentTimeMillis() ) );
         return factory;
     }
 
+    @After
+    public void shutdown()
+    {
+        factory.getHazelcastInstance().getMap( factory.getMapName() ).clear();
+    }
+
 }
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/SessionInvalidateCreateScavengeTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/SessionInvalidateCreateScavengeTest.java
index c958fb6e6c5..434b11595cb 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/SessionInvalidateCreateScavengeTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/SessionInvalidateCreateScavengeTest.java
@@ -21,6 +21,7 @@ package org.eclipse.jetty.hazelcast.session;
 
 import org.eclipse.jetty.server.session.AbstractSessionInvalidateCreateScavengeTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
 
 /**
  * SessionInvalidateCreateScavengeTest
@@ -29,13 +30,22 @@ public class SessionInvalidateCreateScavengeTest
     extends AbstractSessionInvalidateCreateScavengeTest
 {
 
+    HazelcastSessionDataStoreFactory factory;
+
     /**
      * @see org.eclipse.jetty.server.session.AbstractTestBase#createSessionDataStoreFactory()
      */
     @Override
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
-        HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory = new HazelcastSessionDataStoreFactory();
+        factory.setMapName( Long.toString( System.currentTimeMillis() ) );
         return factory;
     }
+
+    @After
+    public void shutdown()
+    {
+        factory.getHazelcastInstance().getMap( factory.getMapName() ).clear();
+    }
 }
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientLastAccessTimeTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientLastAccessTimeTest.java
index 2078882ee21..f2549d7b964 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientLastAccessTimeTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientLastAccessTimeTest.java
@@ -32,7 +32,7 @@ public class ClientLastAccessTimeTest
     extends AbstractClusteredLastAccessTimeTest
 {
 
-    private static final String MAP_NAME = "jetty_foo_session";
+    private static final String MAP_NAME = Long.toString( System.currentTimeMillis() );
 
     private HazelcastInstance hazelcastInstance;
 
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientModifyMaxInactiveIntervalTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientModifyMaxInactiveIntervalTest.java
index f74d05746c9..effcafdecca 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientModifyMaxInactiveIntervalTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientModifyMaxInactiveIntervalTest.java
@@ -19,9 +19,15 @@
 
 package org.eclipse.jetty.hazelcast.session.client;
 
+import com.hazelcast.config.Config;
+import com.hazelcast.config.MapConfig;
+import com.hazelcast.core.Hazelcast;
+import com.hazelcast.core.HazelcastInstance;
 import org.eclipse.jetty.hazelcast.session.HazelcastSessionDataStoreFactory;
 import org.eclipse.jetty.server.session.AbstractModifyMaxInactiveIntervalTest;
 import org.eclipse.jetty.server.session.SessionDataStoreFactory;
+import org.junit.After;
+import org.junit.Before;
 
 /**
  * ModifyMaxInactiveIntervalTest
@@ -30,6 +36,27 @@ public class ClientModifyMaxInactiveIntervalTest
     extends AbstractModifyMaxInactiveIntervalTest
 {
 
+    private static final String MAP_NAME = Long.toString( System.currentTimeMillis() );
+
+    private HazelcastInstance hazelcastInstance;
+
+    @Before
+    public void startHazelcast()
+        throws Exception
+    {
+        Config config = new Config().addMapConfig( new MapConfig().setName( MAP_NAME ) ) //
+            .setInstanceName( "beer" );
+        // start Hazelcast instance
+        hazelcastInstance = Hazelcast.getOrCreateHazelcastInstance( config );
+    }
+
+    @After
+    public void stopHazelcast()
+        throws Exception
+    {
+        hazelcastInstance.shutdown();
+    }
+
     /**
      * @see org.eclipse.jetty.server.session.AbstractTestBase#createSessionDataStoreFactory()
      */
@@ -37,6 +64,8 @@ public class ClientModifyMaxInactiveIntervalTest
     public SessionDataStoreFactory createSessionDataStoreFactory()
     {
         HazelcastSessionDataStoreFactory factory = new HazelcastSessionDataStoreFactory();
+        factory.setOnlyClient( true );
+        factory.setMapName( MAP_NAME );
         return factory;
     }
 
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientNonClusteredSessionScavengingTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientNonClusteredSessionScavengingTest.java
index e9b00f20433..4abc6b1cedb 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientNonClusteredSessionScavengingTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientNonClusteredSessionScavengingTest.java
@@ -60,7 +60,7 @@ public class ClientNonClusteredSessionScavengingTest
             fail( e.getMessage() );
         }
     }
-    private static final String MAP_NAME = "jetty_foo_session";
+    private static final String MAP_NAME = Long.toString( System.currentTimeMillis() );
 
     private HazelcastInstance hazelcastInstance;
 
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientOrphanedSessionTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientOrphanedSessionTest.java
index 00943a5f036..2a08debb557 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientOrphanedSessionTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientOrphanedSessionTest.java
@@ -33,7 +33,7 @@ public class ClientOrphanedSessionTest
     extends AbstractClusteredOrphanedSessionTest
 {
 
-    private static final String MAP_NAME = "jetty_foo_session";
+    private static final String MAP_NAME = Long.toString( System.currentTimeMillis() );
 
     private HazelcastInstance hazelcastInstance;
 
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionExpiryTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionExpiryTest.java
index 4533b980d8a..a2fc8a24c37 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionExpiryTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionExpiryTest.java
@@ -33,7 +33,7 @@ public class ClientSessionExpiryTest
     extends AbstractSessionExpiryTest
 {
 
-    private static final String MAP_NAME = "jetty_foo_session";
+    private static final String MAP_NAME = Long.toString( System.currentTimeMillis() );
 
     private HazelcastInstance hazelcastInstance;
 
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionInvalidateCreateScavengeTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionInvalidateCreateScavengeTest.java
index 1219907e689..cedd39abcaa 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionInvalidateCreateScavengeTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionInvalidateCreateScavengeTest.java
@@ -32,7 +32,7 @@ import org.junit.Before;
 public class ClientSessionInvalidateCreateScavengeTest
     extends AbstractSessionInvalidateCreateScavengeTest
 {
-    private static final String MAP_NAME = "jetty_foo_session";
+    private static final String MAP_NAME = Long.toString( System.currentTimeMillis() );
 
     private HazelcastInstance hazelcastInstance;
 
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionMigrationTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionMigrationTest.java
index e5dc2cc1a9a..ba786895c02 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionMigrationTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionMigrationTest.java
@@ -35,7 +35,7 @@ import org.junit.Before;
 public class ClientSessionMigrationTest
     extends AbstractClusteredSessionMigrationTest
 {
-    private static final String MAP_NAME = "jetty_foo_session";
+    private static final String MAP_NAME = Long.toString( System.currentTimeMillis() );
 
     private HazelcastInstance hazelcastInstance;
 
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionScavengingTest.java b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionScavengingTest.java
index 06a34569462..e7ca25a3877 100644
--- a/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionScavengingTest.java
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/client/ClientSessionScavengingTest.java
@@ -33,7 +33,7 @@ public class ClientSessionScavengingTest
     extends AbstractClusteredSessionScavengingTest
 {
 
-    private static final String MAP_NAME = "jetty_foo_session";
+    private static final String MAP_NAME = Long.toString( System.currentTimeMillis() );
 
     private HazelcastInstance hazelcastInstance;
 
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/resources/jetty-logging.properties b/tests/test-sessions/test-hazelcast-sessions/src/test/resources/jetty-logging.properties
new file mode 100644
index 00000000000..07faa86dbce
--- /dev/null
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/resources/jetty-logging.properties
@@ -0,0 +1 @@
+org.eclipse.jetty.util.log.class=org.eclipse.jetty.util.log.StdErrLog
\ No newline at end of file
diff --git a/tests/test-sessions/test-hazelcast-sessions/src/test/resources/logging.properties b/tests/test-sessions/test-hazelcast-sessions/src/test/resources/logging.properties
new file mode 100644
index 00000000000..256dbe49265
--- /dev/null
+++ b/tests/test-sessions/test-hazelcast-sessions/src/test/resources/logging.properties
@@ -0,0 +1,3 @@
+handlers=java.util.logging.ConsoleHandler
+.level=INFO
+com.hazelcast.level=SEVERE
\ No newline at end of file