test when two backends compete with each other to extract state from third running backend...ok!test statistics under calling function...[(9429, 0, 'select * from n_join_foo_bar()', 'Function Scan on n_join_foo_bar (Current loop: actual rows=0, loop number=1)', None)]Traceback (most recent call last):  File "tests/pg_qs_test_runner.py", line 129, in <module>    main(args)  File "tests/pg_qs_test_runner.py", line 112, in main    test(conn_params)  File "/pg/testdir/tests/test_cases.py", line 122, in test_nested_call    assert len(qs) == 2 \AssertionError

Database is setup successfullyStarting stress testPreparing TPC-DS queries...Starting TPC-DS queries... 91% (94 of 103) |##############################################################################################################################################################                | Elapsed Time: 0:01:06 ETA:   0:00:06Traceback (most recent call last):  File "tests/pg_qs_test_runner.py", line 129, in <module>    main(args)  File "tests/pg_qs_test_runner.py", line 98, in main    tpcds.run_tpcds(conn_params)  File "/pg/testdir/tests/tpcds.py", line 107, in run_tpcds    common.wait(acon)  File "/pg/testdir/tests/common.py", line 17, in wait    state = conn.poll()psycopg2.errors.DivisionByZero: division by zero100% (103 of 103) |#############################################################################################################################################################################| Elapsed Time: 0:01:07 Time:  0:01:07