

PASS sessionStorage exists
PASS Setting to same value does not trigger event for sessionStorage
PASS Deleting non-existent key does not trigger event for sessionStorage
PASS Clearing empty storage does not trigger event for sessionStorage
PASS localStorage exists
PASS Setting to same value does not trigger event for localStorage
PASS Deleting non-existent key does not trigger event for localStorage
PASS Clearing empty storage does not trigger event for localStorage