This is a testharness.js-based test.
PASS test setup (worker registration) 
PASS WorkerGlobalScope interface: existence and properties of interface object 
PASS ServiceWorkerGlobalScope interface: existence and properties of interface object 
PASS Client interface: existence and properties of interface object 
PASS WindowClient interface: existence and properties of interface object 
PASS Clients interface: existence and properties of interface object 
PASS ServiceWorker interface: existence and properties of interface object 
PASS ServiceWorker interface object length 
PASS ServiceWorker interface object name 
PASS ServiceWorker interface: existence and properties of interface prototype object 
PASS ServiceWorker interface: existence and properties of interface prototype object's "constructor" property 
PASS ServiceWorker interface: attribute scriptURL 
PASS ServiceWorker interface: attribute state 
PASS ServiceWorker interface: operation postMessage(any,[object Object]) 
PASS ServiceWorker interface: attribute onstatechange 
PASS ServiceWorker must be primary interface of window.registrationInstance.installing 
PASS Stringification of window.registrationInstance.installing 
PASS ServiceWorker interface: window.registrationInstance.installing must inherit property "scriptURL" with the proper type (0) 
PASS ServiceWorker interface: window.registrationInstance.installing must inherit property "state" with the proper type (1) 
PASS ServiceWorker interface: window.registrationInstance.installing must inherit property "postMessage" with the proper type (2) 
PASS ServiceWorker interface: calling postMessage(any,[object Object]) on window.registrationInstance.installing with too few arguments must throw TypeError 
PASS ServiceWorker interface: window.registrationInstance.installing must inherit property "onstatechange" with the proper type (3) 
PASS EventTarget interface: window.registrationInstance.installing must inherit property "addEventListener" with the proper type (0) 
PASS EventTarget interface: calling addEventListener(DOMString,EventListener,[object Object],[object Object]) on window.registrationInstance.installing with too few arguments must throw TypeError 
PASS EventTarget interface: window.registrationInstance.installing must inherit property "removeEventListener" with the proper type (1) 
PASS EventTarget interface: calling removeEventListener(DOMString,EventListener,[object Object],[object Object]) on window.registrationInstance.installing with too few arguments must throw TypeError 
PASS EventTarget interface: window.registrationInstance.installing must inherit property "dispatchEvent" with the proper type (2) 
PASS EventTarget interface: calling dispatchEvent(Event) on window.registrationInstance.installing with too few arguments must throw TypeError 
PASS ServiceWorkerRegistration interface: existence and properties of interface object 
PASS ServiceWorkerRegistration interface object length 
PASS ServiceWorkerRegistration interface object name 
PASS ServiceWorkerRegistration interface: existence and properties of interface prototype object 
PASS ServiceWorkerRegistration interface: existence and properties of interface prototype object's "constructor" property 
PASS ServiceWorkerRegistration interface: attribute installing 
PASS ServiceWorkerRegistration interface: attribute waiting 
PASS ServiceWorkerRegistration interface: attribute active 
PASS ServiceWorkerRegistration interface: attribute navigationPreload 
PASS ServiceWorkerRegistration interface: attribute scope 
FAIL ServiceWorkerRegistration interface: attribute updateViaCache assert_true: The prototype object must have a property "updateViaCache" expected true got false
PASS ServiceWorkerRegistration interface: operation update() 
PASS ServiceWorkerRegistration interface: operation unregister() 
PASS ServiceWorkerRegistration interface: attribute onupdatefound 
PASS ServiceWorkerRegistration must be primary interface of window.registrationInstance 
PASS Stringification of window.registrationInstance 
PASS ServiceWorkerRegistration interface: window.registrationInstance must inherit property "installing" with the proper type (0) 
PASS ServiceWorkerRegistration interface: window.registrationInstance must inherit property "waiting" with the proper type (1) 
PASS ServiceWorkerRegistration interface: window.registrationInstance must inherit property "active" with the proper type (2) 
PASS ServiceWorkerRegistration interface: window.registrationInstance must inherit property "navigationPreload" with the proper type (3) 
PASS ServiceWorkerRegistration interface: window.registrationInstance must inherit property "scope" with the proper type (4) 
FAIL ServiceWorkerRegistration interface: window.registrationInstance must inherit property "updateViaCache" with the proper type (5) assert_inherits: property "updateViaCache" not found in prototype chain
PASS ServiceWorkerRegistration interface: window.registrationInstance must inherit property "update" with the proper type (6) 
PASS ServiceWorkerRegistration interface: window.registrationInstance must inherit property "unregister" with the proper type (7) 
PASS ServiceWorkerRegistration interface: window.registrationInstance must inherit property "onupdatefound" with the proper type (8) 
PASS EventTarget interface: window.registrationInstance must inherit property "addEventListener" with the proper type (0) 
PASS EventTarget interface: calling addEventListener(DOMString,EventListener,[object Object],[object Object]) on window.registrationInstance with too few arguments must throw TypeError 
PASS EventTarget interface: window.registrationInstance must inherit property "removeEventListener" with the proper type (1) 
PASS EventTarget interface: calling removeEventListener(DOMString,EventListener,[object Object],[object Object]) on window.registrationInstance with too few arguments must throw TypeError 
PASS EventTarget interface: window.registrationInstance must inherit property "dispatchEvent" with the proper type (2) 
PASS EventTarget interface: calling dispatchEvent(Event) on window.registrationInstance with too few arguments must throw TypeError 
PASS EventTarget interface: existence and properties of interface object 
PASS EventTarget interface object length 
PASS EventTarget interface object name 
PASS EventTarget interface: existence and properties of interface prototype object 
PASS EventTarget interface: existence and properties of interface prototype object's "constructor" property 
PASS EventTarget interface: operation addEventListener(DOMString,EventListener,[object Object],[object Object]) 
PASS EventTarget interface: operation removeEventListener(DOMString,EventListener,[object Object],[object Object]) 
PASS EventTarget interface: operation dispatchEvent(Event) 
PASS NavigationPreloadManager interface: existence and properties of interface object 
PASS NavigationPreloadManager interface object length 
PASS NavigationPreloadManager interface object name 
PASS NavigationPreloadManager interface: existence and properties of interface prototype object 
PASS NavigationPreloadManager interface: existence and properties of interface prototype object's "constructor" property 
PASS NavigationPreloadManager interface: operation enable() 
PASS NavigationPreloadManager interface: operation disable() 
PASS NavigationPreloadManager interface: operation setHeaderValue(ByteString) 
PASS NavigationPreloadManager interface: operation getState() 
PASS Cache interface: existence and properties of interface object 
PASS Cache interface object length 
PASS Cache interface object name 
PASS Cache interface: existence and properties of interface prototype object 
PASS Cache interface: existence and properties of interface prototype object's "constructor" property 
PASS Cache interface: operation match(RequestInfo,CacheQueryOptions) 
PASS Cache interface: operation matchAll(RequestInfo,CacheQueryOptions) 
PASS Cache interface: operation add(RequestInfo) 
PASS Cache interface: operation addAll([object Object]) 
PASS Cache interface: operation put(RequestInfo,Response) 
PASS Cache interface: operation delete(RequestInfo,CacheQueryOptions) 
PASS Cache interface: operation keys(RequestInfo,CacheQueryOptions) 
PASS CacheStorage interface: existence and properties of interface object 
PASS CacheStorage interface object length 
PASS CacheStorage interface object name 
PASS CacheStorage interface: existence and properties of interface prototype object 
PASS CacheStorage interface: existence and properties of interface prototype object's "constructor" property 
PASS CacheStorage interface: operation match(RequestInfo,CacheQueryOptions) 
PASS CacheStorage interface: operation has(DOMString) 
PASS CacheStorage interface: operation open(DOMString) 
PASS CacheStorage interface: operation delete(DOMString) 
PASS CacheStorage interface: operation keys() 
Harness: the test ran to completion.