calendar: add some tests for time-.
calendar: add some tests for time-.

bpollack/factor,mrjbq7/factor,mrjbq7/factor,mrjbq7/factor,bpollack/factor,tgunr/factor,factor/factor,factor/factor,bpollack/factor,mrjbq7/factor,tgunr/factor,tgunr/factor,tgunr/factor,factor/factor,factor/factor,tgunr/factor,bpollack/factor,bpollack/factor,bpollack/factor,bpollack/factor,factor/factor,factor/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor