diff --git a/tests/unit-tests/group-manager.t.cpp b/tests/unit-tests/group-manager.t.cpp
index 4355957..4564939 100644
--- a/tests/unit-tests/group-manager.t.cpp
+++ b/tests/unit-tests/group-manager.t.cpp
@@ -291,8 +291,8 @@
 
   // second data and decrypt
   dataIterator++;
-  BOOST_CHECK_EQUAL(dataIterator->getName().getPrefix(-2).toUri(),
-                    "/Alice/read/data_type/D-KEY/20150825T090000/20150825T100000");
+  BOOST_CHECK_EQUAL(dataIterator->getName().toUri(),
+                    "/Alice/read/data_type/D-KEY/20150825T090000/20150825T100000/FOR/ndn/memberA/ksk-123");
 
   //////////////////////////////////////////////////////////////////////// start decryption
   Block dataContent = dataIterator->getContent();
@@ -340,6 +340,16 @@
                                 derivedGroupEKey.getKeyBits().begin(),
                                 derivedGroupEKey.getKeyBits().end());
 
+  // third data and decrypt
+  dataIterator++;
+  BOOST_CHECK_EQUAL(dataIterator->getName().toUri(),
+                    "/Alice/read/data_type/D-KEY/20150825T090000/20150825T100000/FOR/ndn/memberB/ksk-123");
+
+  // second data and decrypt
+  dataIterator++;
+  BOOST_CHECK_EQUAL(dataIterator->getName().toUri(),
+                    "/Alice/read/data_type/D-KEY/20150825T090000/20150825T100000/FOR/ndn/memberC/ksk-123");
+
   // invalid time stamp to get group key
   TimeStamp tp2(from_iso_string("20150826T083000"));
   BOOST_CHECK_EQUAL(manager.getGroupKey(tp2).size(), 0);