Bug 184457 – REGRESSION: Layout Test media/video-aspect-ratio.html is a flaky failure

• Status: NEW
• Component: Media

[Ryan Haddad]

The following layout test is flaky on [insert platform]

media/video-aspect-ratio.html

Probable cause:

Unknown, this test became flaky within the last 7 days.

Flakiness Dashboard:

https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=media%2Fvideo-aspect-ratio.html

--- /Volumes/Data/slave/highsierra-debug-tests-wk1/build/layout-test-results/media/video-aspect-ratio-expected.txt
+++ /Volumes/Data/slave/highsierra-debug-tests-wk1/build/layout-test-results/media/video-aspect-ratio-actual.txt
@@ -6,13 +6,16 @@
       RenderBlock {P} at (0,0) size 784x18
         RenderText {#text} at (0,0) size 632x18
           text run at (0,0) width 632: "Test video sizing. You should see one bigger image (paused video) and 7 small ones of 1/4 its size."
-      RenderBlock (anonymous) at (0,34) size 784x480
+      RenderBlock (anonymous) at (0,34) size 784x484
         RenderBR {BR} at (320,240) size 0x0
         RenderBlock {DIV} at (160,240) size 320x120
           RenderText {#text} at (0,0) size 0x0
         RenderBlock {DIV} at (0,360) size 320x120
           RenderText {#text} at (0,0) size 0x0
-        RenderText {#text} at (0,0) size 0x0
+        RenderText {#text} at (640,466) size 4x18
+          text run at (640,466) width 4: " "
+        RenderText {#text} at (644,466) size 35x18
+          text run at (644,466) width 35: "FAIL"
 layer at (8,42) size 320x240
   RenderVideo {VIDEO} at (0,0) size 320x240
 layer at (8,282) size 160x120

[Radar WebKit Bug Importer]

<rdar://problem/39337303>

[Ryan Haddad]

Updated TestExpectations in https://trac.webkit.org/r231380

[Ryan Haddad]

The test is still flaky, failing most frequently on High Sierra Debug WK1.