diff --git a/tests/pytest/pytest_3.sh b/tests/pytest/pytest_3.sh
index 5e59bb879b1a6920dff536b49a13d976eba94256..8b2ac721e3e41430840dd3c70c2ad193e133c4f4 100755
--- a/tests/pytest/pytest_3.sh
+++ b/tests/pytest/pytest_3.sh
@@ -89,6 +89,7 @@ python3 ./test.py -f functions/function_sum.py -r 1
 python3 ./test.py -f functions/function_top.py -r 1
 python3 ./test.py -f functions/function_twa.py -r 1
 python3 ./test.py -f functions/function_twa_test2.py
+python3 ./test.py -f functions/function_stddev_td2555.py
 python3 queryCount.py
 python3 ./test.py -f query/queryGroupbyWithInterval.py
 python3 client/twoClients.py