CONSOLE ERROR: line 152: Uncaught TypeError: Cannot read property 'unregister' of undefined
This is a testharness.js-based test.
PASS CacheStorage 
PASS CacheStorage.open 
PASS CacheStorage.open with an empty name 
PASS CacheStorage.open with no arguments 
PASS CacheStorage.has with existing cache 
PASS CacheStorage.has with nonexistent cache 
PASS CacheStorage.open with existing cache 
PASS CacheStorage.delete with existing cache 
PASS CacheStorage.delete with nonexistent cache
FAIL CacheStorage names are DOMStrings not USVStrings assert_true: keys assert_unreached: unregister should include cache with bad name expected true got false not fail: Failed to get a ServiceWorkerRegistration: The URL protocol of the current origin ('file://') is not supported. Reached unreachable code
Harness: the test ran to completion.