diff --git a/src/test/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientTest.java b/src/test/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientTest.java
index 0642f6c..4ae6882 100644
--- a/src/test/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientTest.java
+++ b/src/test/java/org/gcube/informationsystem/resourceregistry/client/ResourceRegistryClientTest.java
@@ -15,6 +15,7 @@ import org.gcube.informationsystem.base.reference.Direction;
 import org.gcube.informationsystem.contexts.reference.entities.Context;
 import org.gcube.informationsystem.contexts.reference.relations.IsParentOf;
 import org.gcube.informationsystem.model.impl.properties.MetadataImpl;
+import org.gcube.informationsystem.model.knowledge.ModelKnowledge;
 import org.gcube.informationsystem.model.reference.ERElement;
 import org.gcube.informationsystem.model.reference.entities.Resource;
 import org.gcube.informationsystem.model.reference.properties.Metadata;
@@ -25,6 +26,7 @@ import org.gcube.informationsystem.resourceregistry.api.exceptions.types.SchemaN
 import org.gcube.informationsystem.serialization.ElementMapper;
 import org.gcube.informationsystem.tree.Node;
 import org.gcube.informationsystem.tree.Tree;
+import org.gcube.informationsystem.types.knowledge.TypeInformation;
 import org.gcube.informationsystem.types.reference.Type;
 import org.gcube.informationsystem.utils.UUIDManager;
 import org.gcube.informationsystem.utils.UUIDUtility;
@@ -114,12 +116,20 @@ public class ResourceRegistryClientTest extends ContextTest {
 	@Test
 	public void testGetModelKnowledge() throws SchemaNotFoundException, ResourceRegistryException {
 		AccessType[] modelTypes = AccessType.getModelTypes();
+		ModelKnowledge<Type, TypeInformation> modelKnowledge = ((ResourceRegistryClientImpl) resourceRegistryClient).getModelKnowledge();
 		for(AccessType accessType : modelTypes) {
-			Tree<Type> tree = ((ResourceRegistryClientImpl) resourceRegistryClient).getModelKnowledge().getTree(accessType);
+			Tree<Type> tree = modelKnowledge.getTree(accessType);
 			logger.trace("{}", tree);
 		}
 	}
 	
+	@Test
+	public void testGetResourceTree() throws SchemaNotFoundException, ResourceRegistryException {
+		Tree<Type> tree = ((ResourceRegistryClientImpl) resourceRegistryClient).getModelKnowledge().getTree(AccessType.RESOURCE);
+		logger.trace("{}", tree);
+		
+		
+	}
 	
 	@Test
 	public void testGetNode() throws SchemaNotFoundException, ResourceRegistryException {