diff --git a/tests/integrated/insert-delete-validator-config.conf b/tests/integrated/insert-delete-validator-config.conf
index e5a44f8..8a777c5 100644
--- a/tests/integrated/insert-delete-validator-config.conf
+++ b/tests/integrated/insert-delete-validator-config.conf
@@ -1,6 +1,6 @@
-; This test rule is for test suite TestBasicCommandInsertDelete.
-; Signed interests are generated by default certificate.
-; In this test rule, the type of checker is fixed signer and signer type is file.
+; The test rules below are for test suite TestBasicCommandInsertDelete.
+; Signed interests and data packets are signed by default certificate.
+; In these test rules, the type of checker is fixed signer and signer type is file.
 ; So user who wants to run this test could use security tool to dump the defualt
 ; certificate into a file named "insert-delete-test.cert"
 rule
@@ -23,4 +23,26 @@
       file-name "insert-delete-test.cert"
     }
   }
+}
+
+rule
+{
+  id "Test Rule For Datat"
+  for data
+  filter
+  {
+    type name
+    name /
+    relation is-prefix-of
+  }
+  checker
+  {
+    type fixed-signer
+    sig-type rsa-sha256
+    signer
+    {
+      type file
+      file-name "insert-delete-test.cert"
+    }
+  }
 }
\ No newline at end of file