test_render_airmax_schema.lua

        function tprint (tbl, indent)
            if not indent then indent = 0 end
            for k, v in pairs(tbl) do
                formatting = string.rep("  ", indent) .. k .. ": "
                if type(v) == "table" then
                    print(formatting)
                    tprint(v, indent+1)
                else
                    print(formatting .. v)
                end
            end
        end