diff --git a/webapp/src/test/java/org/gcube/resourcemanagement/manager/webapp/context/RMContextTest.java b/webapp/src/test/java/org/gcube/resourcemanagement/manager/webapp/context/RMContextTest.java
index e04e1d1..5819824 100644
--- a/webapp/src/test/java/org/gcube/resourcemanagement/manager/webapp/context/RMContextTest.java
+++ b/webapp/src/test/java/org/gcube/resourcemanagement/manager/webapp/context/RMContextTest.java
@@ -4,7 +4,6 @@ import static org.junit.Assert.*;
 
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.Objects;
 import java.util.Properties;
 import java.util.UUID;
 
@@ -18,8 +17,8 @@ import org.gcube.common.authorization.client.Constants;
 import org.gcube.common.authorization.client.exceptions.ObjectNotFound;
 import org.gcube.common.authorization.library.AuthorizationEntry;
 import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
+import org.gcube.common.gxrest.response.inbound.GXInboundResponse;
 import org.gcube.common.gxrest.response.outbound.ErrorCode;
-import org.gcube.common.gxrest.response.outbound.deserialization.ErrorEntityManager;
 import org.gcube.common.gxrest.response.outbound.deserialization.SerializableErrorEntity;
 import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.informationsystem.impl.entity.ContextImpl;
@@ -162,10 +161,8 @@ public class RMContextTest extends JerseyTest {
 			} else {
 				assertEquals("Unexpected returned code. Reason: " + create.getStatusInfo().getReasonPhrase(),
 						Status.NOT_ACCEPTABLE.getStatusCode(), create.getStatus());
-				SerializableErrorEntity entity = create.readEntity(SerializableErrorEntity.class);
-				ErrorEntityManager response = new ErrorEntityManager(entity);
+				GXInboundResponse response = new GXInboundResponse(create);
 				if (response.hasException()) {
-					logger.info("about to load " + entity.getExceptionClass());
 					try {
 						throw response.getException();
 					} catch (Exception e) {
@@ -270,8 +267,7 @@ public class RMContextTest extends JerseyTest {
 		} else {
 			assertEquals("Unexpected returned code. Reason: " + delete.getStatusInfo().getReasonPhrase(),
 					Status.NOT_ACCEPTABLE.getStatusCode(), delete.getStatus());
-			SerializableErrorEntity entity = delete.readEntity(SerializableErrorEntity.class);
-			ErrorEntityManager response = new ErrorEntityManager(entity);
+			GXInboundResponse response = new GXInboundResponse(delete);
 			if (response.hasException()) {
 				try {
 					throw response.getException();