Add test for timerange
Add test for timerange

untitaker/vdirsyncer,tribut/vdirsyncer,untitaker/vdirsyncer,untitaker/vdirsyncer,tribut/vdirsyncer,credativUK/vdirsyncer,hobarrera/vdirsyncer,mathstuf/vdirsyncer,credativUK/vdirsyncer,mathstuf/vdirsyncer,hobarrera/vdirsyncer