Bug 1478401 [wpt PR 9825] - Update wpt metadata, a=testonly

wpt-pr: 9825 wpt-type: metadata
2018-06-28 20:04:40 +00:00 · 2018-06-28 20:04:40 +00:00 · 87a4991511
--- a/testing/web-platform/meta/requestidlecallback/idlharness.window.js.ini
+++ b/testing/web-platform/meta/requestidlecallback/idlharness.window.js.ini
@ -0,0 +1,5 @@
+[idlharness.window.html]
+  expected: TIMEOUT
+  [IdleDeadline object setup]
+    expected: TIMEOUT
+