Bug 1532280 [wpt PR 15610] - Update wpt metadata, a=testonly

wpt-pr: 15610 wpt-type: metadata
2019-03-07 07:58:55 +00:00 · 2019-03-07 07:58:55 +00:00 · 506af78bb8
--- a/testing/web-platform/meta/animation-worklet/worklet-animation-with-scroll-timeline-and-overflow-hidden.https.html.ini
+++ b/testing/web-platform/meta/animation-worklet/worklet-animation-with-scroll-timeline-and-overflow-hidden.https.html.ini
@ -0,0 +1,2 @@
+[worklet-animation-with-scroll-timeline-and-overflow-hidden.https.html]
+  expected: TIMEOUT
--- a/testing/web-platform/meta/animation-worklet/worklet-animation-with-scroll-timeline-root-scroller.https.html.ini
+++ b/testing/web-platform/meta/animation-worklet/worklet-animation-with-scroll-timeline-root-scroller.https.html.ini
@ -0,0 +1,2 @@
+[worklet-animation-with-scroll-timeline-root-scroller.https.html]
+  expected: TIMEOUT