diff --git a/tests/parallel_test/cases.task b/tests/parallel_test/cases.task
index d9d16d1f57..3f8e3abac7 100644
--- a/tests/parallel_test/cases.task
+++ b/tests/parallel_test/cases.task
@@ -489,11 +489,11 @@
 ,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/last+last_row.py -Q 2
 ,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/last+last_row.py -Q 3
 ,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/last+last_row.py -Q 4
-#,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py
-#,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py -R
-#,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py -Q 2
-#,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py -Q 3
-#,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py -Q 4
+,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py
+,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py -R
+,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py -Q 2
+,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py -Q 3
+,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_1.py -Q 4
 ,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_2.py
 ,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_2.py -R
 ,,y,system-test,./pytest.sh python3 ./test.py -f 2-query/primary_ts_base_2.py -Q 2