fetch-event.https.html: Fix asserts mistakenly outside the promise chain

third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/fetch-event.https-expected.txt

Index: third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/fetch-event.https-expected.txt
diff --git a/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/fetch-event.https-expected.txt b/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/fetch-event.https-expected.txt
index 7d5a409692a0099a91775697c9f15a336e6485b6..cb3a41bf21f4ea4e23fefb15285a779b172917ee 100644
--- a/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/fetch-event.https-expected.txt
+++ b/third_party/WebKit/LayoutTests/external/wpt/service-workers/service-worker/fetch-event.https-expected.txt
@@ -11,8 +11,8 @@ PASS Service Worker responds to fetch event with POST form
 PASS Multiple calls of respondWith must throw InvalidStateErrors 
 PASS Service Worker event.respondWith must set the used flag 
 PASS Service Worker should expose FetchEvent URL fragments. 
-FAIL Service Worker responds to fetch event with the correct cache types assert_unreached: unexpected rejection: assert_equals: expected "no-cache" but got "default" Reached unreachable code
+FAIL Service Worker responds to fetch event with the correct cache types assert_unreached: unexpected rejection: assert_equals: Service Worker should respond to fetch with the correct type expected "no-store" but got "default" Reached unreachable code
 FAIL Service Worker should intercept EventSource assert_unreached: unexpected rejection: assert_equals: EventSource should bypass the http cache. expected "no-store" but got "default" Reached unreachable code
-PASS Service Worker responds to fetch event with the correct integrity_metadata 
+FAIL Service Worker responds to fetch event with the correct integrity_metadata assert_unreached: unexpected rejection: assert_equals: integrity expected "gs0nqru8KbsrIt5YToQqS9fYao4GQJXtcId610g7cCU=" but got "" Reached unreachable code
 Harness: the test ran to completion.