Disable FetchFromContentScriptShouldNotGoToServiceWorkerOfPage test.

ServiceWorkerTest.FetchFromContentScriptShouldNotGoToServiceWorkerOfPage
is flaky.

TBR=horo@chromium.org

Bug: 1014222
Change-Id: I8571373c1a7478b6719de10f062b9191866041aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1860478Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#705683}

chrome/browser/extensions/service_worker_apitest.cc

@@ -1519,8 +1519,9 @@ IN_PROC_BROWSER_TEST_F(ServiceWorkerBackgroundSyncTest, Sync) {
   EXPECT_TRUE(sync_listener.WaitUntilSatisfied());
 }
 
-IN_PROC_BROWSER_TEST_F(ServiceWorkerTest,
-                       FetchFromContentScriptShouldNotGoToServiceWorkerOfPage) {
+IN_PROC_BROWSER_TEST_F(
+    ServiceWorkerTest,
+    DISABLED_FetchFromContentScriptShouldNotGoToServiceWorkerOfPage) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   GURL page_url = embedded_test_server()->GetURL(
       "/extensions/api_test/service_worker/content_script_fetch/"