function on_test()
local startup_schedule = world.get_schedule_by_name("Startup")
local expected_systems = {
"dummy_startup_system",
}
for i, system in ipairs(expected_systems) do
local found_system = startup_schedule:get_system_by_name(system)
assert(found_system ~= nil, "Expected system not found: " .. system)
end
end