diff --git a/tests/army/community/cluster/snapshot.py b/tests/army/community/cluster/snapshot.py
index 5b5457be75..26bb6b9377 100644
--- a/tests/army/community/cluster/snapshot.py
+++ b/tests/army/community/cluster/snapshot.py
@@ -29,7 +29,11 @@ from frame import *
 
 class TDTestCase(TBase):
     updatecfgDict = {
-        "countAlwaysReturnValue" : "0"
+        "countAlwaysReturnValue" : "0",
+        "lossyColumns"           : "float|double",
+        "fPrecision"             : "0.000000001",
+        "dPrecision"             : "0.00000000000000001",
+        "ifAdtFse"               : "1"
     }
 
     def insertData(self):