diff --git a/io/src/main/java/org/gcube/resourcemanagement/manager/io/exceptions/CodeFinder.java b/io/src/main/java/org/gcube/resourcemanagement/manager/io/exceptions/CodeFinder.java
new file mode 100644
index 0000000..e41d34c
--- /dev/null
+++ b/io/src/main/java/org/gcube/resourcemanagement/manager/io/exceptions/CodeFinder.java
@@ -0,0 +1,24 @@
+package org.gcube.resourcemanagement.manager.io.exceptions;
+
+import java.util.stream.Stream;
+
+/**
+ * Helper methods to find an error code in an enumeration implementing {@link ErrorCode}.
+ * 
+ * @author Manuele Simi (ISTI CNR)
+ *
+ */
+public class CodeFinder {
+
+	/**
+	 * Finds and convert the given code as enum value.
+	 * @param code the code to look for.
+	 * @param codes the enum values.
+	 * @return the code as enum value.
+	 */
+	public static <E extends Enum<E> & ErrorCode> E findAndConvert(ErrorCode code, E[] codes) {
+		return Stream.of(codes).filter(e -> e.getId() == code.getId() && e.getMessage().equals(code.getMessage()))
+				.findFirst().orElse(null);
+	}
+
+}
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 aef48a8..eb4452c 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
@@ -3,7 +3,6 @@ package org.gcube.resourcemanagement.manager.webapp.context;
 import static org.junit.Assert.*;
 
 import java.io.IOException;
-import java.util.stream.Stream;
 
 import javax.ws.rs.client.Entity;
 import javax.ws.rs.core.Application;
@@ -19,6 +18,7 @@ import org.gcube.common.scope.api.ScopeProvider;
 import org.gcube.informationsystem.impl.entity.ContextImpl;
 import org.gcube.informationsystem.impl.utils.ISMapper;
 import org.gcube.informationsystem.model.entity.Context;
+import org.gcube.resourcemanagement.manager.io.exceptions.CodeFinder;
 import org.gcube.resourcemanagement.manager.io.exceptions.RMCode;
 import org.gcube.resourcemanagement.manager.io.exceptions.SerializableErrorCode;
 import org.gcube.resourcemanagement.manager.io.rs.RMContextPath;
@@ -114,7 +114,8 @@ public class RMContextTest extends JerseyTest {
 					.post(Entity.entity(ISMapper.marshal(newContext), MediaType.APPLICATION_JSON + ";charset=UTF-8"));
 
 			SerializableErrorCode code = create.readEntity(SerializableErrorCode.class);
-			RMCode realCode = Stream.of(RMCode.values()).filter(e -> e.getId() == code.getId() && e.getMessage().equals(code.getMessage())).findFirst().orElse(null);
+			//RMCode realCode = Stream.of(RMCode.values()).filter(e -> e.getId() == code.getId() && e.getMessage().equals(code.getMessage())).findFirst().orElse(null);
+			RMCode realCode = CodeFinder.findAndConvert(code, RMCode.values());
 			assertNotNull(create);
 			// TODO: to restore an expected success when create is fully
 			// functional