diff --git a/tests/pytest/util/constant.py b/tests/pytest/util/constant.py
index 807398f70ff1433620b3d9597d719e641044692e..5be1c603b34ec2989285ff0309d9b92abe972ebf 100644
--- a/tests/pytest/util/constant.py
+++ b/tests/pytest/util/constant.py
@@ -84,16 +84,16 @@ SMALLINT_MIN            = -32768
 SMALLINT_UN_MAX         = 65535
 SMALLINT_UN_MIN         = 0
 
-INT_MAX                 = 2147483647
-INT_MIN                 = -2147483648
+INT_MAX                 = 2_147_483_647
+INT_MIN                 = -2_147_483_648
 
-INT_UN_MAX              = 4294967295
+INT_UN_MAX              = 4_294_967_295
 INT_UN_MIN              = 0
 
-BIGINT_MAX              = 9223372036854775807
-BIGINT_MIN              = -9223372036854775808
+BIGINT_MAX              = 9_223_372_036_854_775_807
+BIGINT_MIN              = -9_223_372_036_854_775_808
 
-BIGINT_UN_MAX           = 18446744073709551615
+BIGINT_UN_MAX           = 18_446_744_073_709_551_615
 BIGINT_UN_MIN           = 0
 
 FLOAT_MAX               = 3.40E+38
@@ -131,13 +131,13 @@ COL_COUNT_MIN           = 2
 TAG_COL_COUNT_MAX       = 4096
 TAG_COL_COUNT_MIN       = 3
 
-MNODE_SHM_SIZE_MAX      = 2147483647
-MNODE_SHM_SIZE_MIN      = 6292480
-MNODE_SHM_SIZE_DEFAULT  = 6292480
+MNODE_SHM_SIZE_MAX      = 2_147_483_647
+MNODE_SHM_SIZE_MIN      = 6_292_480
+MNODE_SHM_SIZE_DEFAULT  = 6_292_480
 
-VNODE_SHM_SIZE_MAX      = 2147483647
-VNODE_SHM_SIZE_MIN      = 6292480
-VNODE_SHM_SIZE_DEFAULT  = 31458304
+VNODE_SHM_SIZE_MAX      = 2_147_483_647
+VNODE_SHM_SIZE_MIN      = 6_292_480
+VNODE_SHM_SIZE_DEFAULT  = 31_458_304
 
 # time_init
 TIME_MS = 1
@@ -160,6 +160,7 @@ INTERVAL_MIN = 1 * TIME_MS if PRECISION == PRECISION_DEFAULT else 1 * TIME_US
 # streams and related agg-function
 SMA_INDEX_FUNCTIONS = ["MIN", "MAX"]
 ROLLUP_FUNCTIONS = ["AVG", "SUM", "MIN", "MAX", "LAST", "FIRST"]
+BLOCK_FUNCTIONS = ["SUM", "MIN", "MAX"]
 SMA_WATMARK_MAXDELAY_INIT = ['a', "s", "m"]
 WATERMARK_MAX = 900000
 WATERMARK_MIN = 0