remove useless codes related to CERT_QUERY

Change-Id: I5c2b75d9f26116fabee628cffd54b0247a69646d
diff --git a/tests/unit/validator.cpp b/tests/unit/validator.cpp
index 0824d62..c642875 100644
--- a/tests/unit/validator.cpp
+++ b/tests/unit/validator.cpp
@@ -186,7 +186,7 @@
   dataName = Name();
   dataName
     .append(m_testId2)
-    .append("KEY")
+    .append("NDNS")
     .append("rrLabel")
     .append("CERT")
     .appendVersion();