name assignment fix and use NDN-name like format /a/b/c

Change-Id: I4c1b81d01fa3e3fa549bc87e5135bab0abdd9864
diff --git a/tests/unit-tests/config-files/config-ca-5 b/tests/unit-tests/config-files/config-ca-5
index 5e05b29..0d1e6b3 100644
--- a/tests/unit-tests/config-files/config-ca-5
+++ b/tests/unit-tests/config-files/config-ca-5
@@ -24,6 +24,6 @@
   ],
   "name-assignment":
   {
-     "param": "email"
+     "param": "/group/email"
   }
 }
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