* EMPTY should be invisible if has one active tasks
** TASK Active task
SCHEDULED: <1997-01-01 Wed>
** TASK Next task
** TASK Next task
* META What should meta do if active-if-one-active is nil and there is one stuck and one active TASK 
** TASK Active task
SCHEDULED: <1997-01-01 Wed>
SCHEDULED: <2020-04-03 Fri>
** TASK Next task
