[Webkit-unassigned] [Bug 188394] [ High Sierra Leaks ] Layout Test inspector/layers/layer-tree-manager.html and inspector/layers/layers-anonymous.html are flaky

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=188394

--- Comment #1 from Ryan Haddad <ryanhaddad at apple.com> ---
inspector/layers/layer-tree-manager.html is a text failure:

--- /Volumes/Data/slave/sierra-release-tests-wk1/build/layout-test-results/inspector/layers/layer-tree-manager-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk1/build/layout-test-results/inspector/layers/layer-tree-manager-actual.txt
@@ -3,7 +3,9 @@

 == Running test suite: LayerTreeManager
 -- Running test case: LayerTreeManager.layersForNode.root
-PASS: Returned array should include all layers.
+FAIL: Returned array should include all layers.
+    Expected: 5
+    Actual: 0
 PASS: Array elements should be Layer instances.

 -- Running test case: LayerTreeManager.layerTreeMutations.overlappingNodeIds

--- /Volumes/Data/slave/sierra-release-tests-wk1/build/layout-test-results/inspector/layers/layers-anonymous-expected.txt
+++ /Volumes/Data/slave/sierra-release-tests-wk1/build/layout-test-results/inspector/layers/layers-anonymous-actual.txt
@@ -1,3 +1,5 @@
+CONSOLE MESSAGE: line 58: TypeError: undefined is not an object (evaluating 'anonymousLayers[0].nodeId')
+FAIL: Timed out waiting for notifyDone to be called
 This is a test

inspector/layers/layers-anonymous.html times out with output:

@@ -15,14 +17,5 @@

 === Check layers ===

-PASS: Expected number of anonymous layers.
-PASS: The sole anonymous layer has a non-zero node id.
-PASS: The sole anonymous layer has a :first-letter pseudo-element.
+FAIL: Expected number of anonymous layers. Expected 1 but got 0

-=== Check node ===
-
-PASS: Node was found.
-PASS: Node has expected localName.
-PASS: Node has id.
-PASS: Node has expected id.
-

Also, this isn't limited to leaks, but it definitely happens far more often there.

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