diff --git a/pom.xml b/pom.xml
index 8baf002..373d0e4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -82,14 +82,13 @@
 			<scope>test</scope>
 		</dependency>
 		
-		<!-- 
 		<dependency>
 			<groupId>org.gcube.accounting</groupId>
   			<artifactId>accounting-analytics-persistence-couchbase</artifactId>
 			<version>[1.0.0-SNAPSHOT,2.0.0-SNAPSHOT)</version>
 			<scope>test</scope>
 		</dependency>
-		 -->
+
 		 
 		<dependency>
 			<groupId>org.gcube.vremanagement</groupId>
diff --git a/src/test/java/org/gcube/accounting/analytics/persistence/couchbase/AccountingPersistenceQueryCouchBaseTest.java b/src/test/java/org/gcube/accounting/analytics/persistence/couchbase/AccountingPersistenceQueryCouchBaseTest.java
index b5466ee..a6c04d2 100644
--- a/src/test/java/org/gcube/accounting/analytics/persistence/couchbase/AccountingPersistenceQueryCouchBaseTest.java
+++ b/src/test/java/org/gcube/accounting/analytics/persistence/couchbase/AccountingPersistenceQueryCouchBaseTest.java
@@ -7,11 +7,15 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.List;
 import java.util.Map;
+import java.util.SortedSet;
 
 import org.gcube.accounting.analytics.Filter;
 import org.gcube.accounting.analytics.Info;
+import org.gcube.accounting.analytics.NumberedFilter;
 import org.gcube.accounting.analytics.TemporalConstraint;
 import org.gcube.accounting.analytics.TemporalConstraint.AggregationMode;
+import org.gcube.accounting.analytics.persistence.AccountingPersistenceBackendQueryConfiguration;
+import org.gcube.accounting.datamodel.aggregation.AggregatedStorageUsageRecord;
 import org.gcube.testutility.ScopedTest;
 import org.json.JSONObject;
 import org.junit.Before;
@@ -27,7 +31,7 @@ public class AccountingPersistenceQueryCouchBaseTest extends ScopedTest {
 	
 	private static Logger logger = LoggerFactory.getLogger(AccountingPersistenceQueryCouchBaseTest.class);
 	
-	//protected AccountingPersistenceQueryCouchBase accountingPersistenceQueryCouchBase;
+	protected AccountingPersistenceQueryCouchBase accountingPersistenceQueryCouchBase;
 	
 	public class ExtendedInfo extends Info {
 		
@@ -63,12 +67,10 @@ public class AccountingPersistenceQueryCouchBaseTest extends ScopedTest {
 	@Before
 	public void before() throws Exception{
 		super.before();
-		/*
 		AccountingPersistenceBackendQueryConfiguration configuration = new 
 				AccountingPersistenceBackendQueryConfiguration(AccountingPersistenceQueryCouchBase.class);
 		accountingPersistenceQueryCouchBase = new AccountingPersistenceQueryCouchBase();
 		accountingPersistenceQueryCouchBase.prepareConnection(configuration);
-		*/
 	}
 	
 	
@@ -81,18 +83,27 @@ public class AccountingPersistenceQueryCouchBaseTest extends ScopedTest {
 	@Test
 	public void test() throws Exception {
 		Calendar startTime = Calendar.getInstance();
-		startTime.set(2015, Calendar.SEPTEMBER, 9);
+		startTime.set(2016, Calendar.JANUARY, 1);
 		Calendar endTime = Calendar.getInstance();
-		endTime.set(2016, Calendar.OCTOBER, 16);
 		List<Filter> filters = new ArrayList<Filter>();
-		Filter filter = new Filter("consumerId", "gianpaolo.coro");
+		
+		Filter filter = 
+		new Filter(AggregatedStorageUsageRecord.CONSUMER_ID, "gianpaolo.coro");
 		filters.add(filter);
-		TemporalConstraint temporalConstraint = new TemporalConstraint(startTime.getTimeInMillis(), endTime.getTimeInMillis(), AggregationMode.DAILY);
 		
-		/*
-		Map<Calendar, Info> infos = accountingPersistenceQueryCouchBase.query(AggregatedStorageUsageRecord.class, temporalConstraint, filters);
+		TemporalConstraint temporalConstraint = 
+				new TemporalConstraint(startTime.getTimeInMillis(), 
+						endTime.getTimeInMillis(), AggregationMode.DAILY);
 		
-		printMap(infos);
-		*/
+		Class<AggregatedStorageUsageRecord> clz = 
+				AggregatedStorageUsageRecord.class;
+		
+		SortedSet<NumberedFilter>  set = 
+				accountingPersistenceQueryCouchBase.getNextPossibleValues(
+				clz, temporalConstraint, filters, 
+				AggregatedStorageUsageRecord.OPERATION_TYPE, null);
+		
+		logger.debug("{}", set);
+
 	}
 }