Bug 1966211 [wpt PR 52507] - VT interop: Speculative interop fix for a timeout on wpt.fyi,

Automatic update from web-platform-tests
VT interop: Speculative interop fix for a timeout on wpt.fyi

This patch ensures that we wait for the compositor to be ready before
executing the rest of the test.

R=keverschromium.org

Bug: 394108982
Change-Id: If8a1a5d1fc9823708ce364a095af419187b29d1e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6526067
Reviewed-by: Kevin Ellis <keverschromium.org>
Commit-Queue: Vladimir Levin <vmpstrchromium.org>
Cr-Commit-Position: refs/heads/main{#1459637}

--

wpt-commits: d6d1aff6b0b1c4298175238eb0f869c18bcf3ba8
wpt-pr: 52507

Differential Revision: https://phabricator.services.mozilla.com/D250155

UltraBlame original commit: c66a1b86697765bfb45cb83ecf083490bc4a90f4

Author: marco-c

testing/web-platform/tests/css/css-view-transitions/web-animation-pseudo-incorrect-name.html

@@ -86,6 +86,27 @@
 =
 "
 /
+dom
+/
+events
+/
+scrolling
+/
+scroll_support
+.
+js
+"
+>
+<
+/
+script
+>
+<
+script
+src
+=
+"
+/
 resources
 /
 testharness
@@ -181,14 +202,18 @@
 "
 )
 ;
+await
+waitForCompositorReady
+(
+)
+;
 return
 new
 Promise
 (
 async
 (
 resolve
-reject
 )
 =
 >
@@ -262,32 +287,20 @@
 }
 )
 ;
-requestAnimationFrame
+assert_true
 (
-(
-)
-=
->
-{
+!
+!
 animation
-.
-currentTime
-=
-200
-;
-requestAnimationFrame
-(
-(
-)
-=
->
-requestAnimationFrame
-(
-resolve
-)
+"
+animation
+is
+created
+"
 )
 ;
-}
+resolve
+(
 )
 ;
 }