Disable isolated-tree-mode-on-off.html because it is causing other test failures..

https://bugs.webkit.org/show_bug.cgi?id=215151
<rdar://problem/66542837>

Reviewed by Chris Fleizach.

This test turns isolated tree mode on and causes other concurrent test
to also run in isolated tree mode, and thus random failures. Will enable
once all tests succeed in isolated tree mode, or we can turn the mode on
only for a particular test without affecting others.

* platform/mac/TestExpectations:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@265275 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Author: [email protected]

LayoutTests/ChangeLog

@@ -1,3 +1,18 @@
+2020-08-04  Andres Gonzalez  <[email protected]>
+
+        Disable isolated-tree-mode-on-off.html because it is causing other test failures..
+        https://bugs.webkit.org/show_bug.cgi?id=215151
+        <rdar://problem/66542837>
+
+        Reviewed by Chris Fleizach.
+
+        This test turns isolated tree mode on and causes other concurrent test
+        to also run in isolated tree mode, and thus random failures. Will enable
+        once all tests succeed in isolated tree mode, or we can turn the mode on
+        only for a particular test without affecting others.
+
+        * platform/mac/TestExpectations:
+
 2020-08-04  Jer Noble  <[email protected]>
 
         REGRESSION(r265167): media/media-source/media-source-webm.html failing

LayoutTests/platform/mac/TestExpectations

@@ -1745,6 +1745,9 @@ webkit.org/b/205361 [ Release ] crypto/workers/subtle/aes-indexeddb.html [ Pass
 
 webkit.org/b/205403 accessibility/presentation-role-iframe.html [ Pass Failure ]
 
+# Disabled temporarily since it is causing other tests to fail.
+accessibility/mac/isolated-tree-mode-on-off.html [ Skip ]
+
 webkit.org/b/202064 webaudio/silent-audio-interrupted-in-background.html [ Pass Crash ]
 
 webkit.org/b/205756 webgl/2.0.0/conformance2/glsl3/no-attribute-vertex-shader.html [ Pass Failure ]