rake system_tests freezes in CI
Times out at 5 mintues.
tests.py::test_users_management[ubuntu/18.04-centos/8]
************ START tests.py::test_users_management[ubuntu/18.04-centos/8] **************************************************************
FAILED
************ RESULT FAILED tests.py::test_users_management[ubuntu/18.04-centos/8] took 0:05:00 ****************************************