diff --git a/tests/parallel_test/cases.task b/tests/parallel_test/cases.task
index e70042001d..a6ddb4933d 100644
--- a/tests/parallel_test/cases.task
+++ b/tests/parallel_test/cases.task
@@ -15,6 +15,7 @@
 ,,n,army,python3 ./test.py -f s3/s3Basic.py -N 3
 ,,y,army,./pytest.sh python3 ./test.py -f cluster/snapshot.py -N 3 -L 3 -D 2
 ,,y,army,./pytest.sh python3 ./test.py -f query/function/test_func_elapsed.py
+,,y,army,./pytest.sh python3 ./test.py -f query/function/concat.py
 ,,y,army,./pytest.sh python3 ./test.py -f query/function/cast.py
 ,,y,army,./pytest.sh python3 ./test.py -f query/test_join.py
 ,,y,army,./pytest.sh python3 ./test.py -f query/test_compare.py