oops missed annotations

Signed-off-by: olivier lamy <oliver.lamy@gmail.com>

tests/test-sessions/test-hazelcast-sessions/src/test/java/org/eclipse/jetty/hazelcast/session/HazelcastSessionDataStoreTest.java

@@ -116,6 +116,8 @@ public class HazelcastSessionDataStoreTest extends AbstractSessionDataStoreTest
         //to find zombie sessions.
     }
 
+    @Test
+    @Override
     public void testStoreObjectAttributes() throws Exception
     {
         //This test will not work for hazelcast because we can't enable