Triage appearance-button-002 tests

These tests describe new behavior for <select> with appearance:
button, which Chromium does not (yet?) implement.

Bug: 1108797
Change-Id: I9f8d9bd653754945eead4a4e8ddc2a3930f1b295
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2357130
Commit-Queue: Mason Freed <masonfreed@chromium.org>
Auto-Submit: Mason Freed <masonfreed@chromium.org>
Reviewed-by: Stephen Chenney <schenney@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798681}

third_party/blink/web_tests/TestExpectations

@@ -2707,12 +2707,6 @@ crbug.com/626703 [ Win ] external/wpt/streams/transform-streams/patched-global.a
 crbug.com/626703 [ Linux ] external/wpt/streams/transform-streams/patched-global.any.sharedworker.html [ Timeout ]
 crbug.com/626703 [ Mac ] external/wpt/streams/transform-streams/patched-global.any.sharedworker.html [ Timeout ]
 crbug.com/626703 [ Win ] external/wpt/streams/transform-streams/patched-global.any.sharedworker.html [ Timeout ]
-crbug.com/626703 [ Linux ] external/wpt/css/css-ui/appearance-button-002.tentative.html [ Failure ]
-crbug.com/626703 [ Mac ] external/wpt/css/css-ui/appearance-button-002.tentative.html [ Failure ]
-crbug.com/626703 [ Win ] external/wpt/css/css-ui/appearance-button-002.tentative.html [ Failure ]
-crbug.com/626703 [ Linux ] external/wpt/css/css-ui/webkit-appearance-button-002.tentative.html [ Failure ]
-crbug.com/626703 [ Mac ] external/wpt/css/css-ui/webkit-appearance-button-002.tentative.html [ Failure ]
-crbug.com/626703 [ Win ] external/wpt/css/css-ui/webkit-appearance-button-002.tentative.html [ Failure ]
 crbug.com/626703 [ Linux ] external/wpt/css/css-color/t422-rgba-a0.6-a.xht [ Failure ]
 crbug.com/626703 [ Linux ] external/wpt/css/css-color/t32-opacity-basic-0.6-a.xht [ Failure ]
 crbug.com/626703 [ Mac ] external/wpt/css/css-color/t32-opacity-basic-0.6-a.xht [ Failure ]
@@ -5103,6 +5097,10 @@ crbug.com/919639 [ Fuchsia ] fast/speech/scripted/speechrecognition-re-restart.h
 crbug.com/919639 [ Fuchsia ] presentation/presentationconnectionavailableevent-ctor-mock.html [ Failure ]
 crbug.com/919639 [ Fuchsia ] webmidi/permission.html [ Failure ]
 
+# These tests enforce that <select> with appearance:button should look like a button.
+crbug.com/1108797 external/wpt/css/css-ui/appearance-button-002.tentative.html [ Failure ]
+crbug.com/1108797 external/wpt/css/css-ui/webkit-appearance-button-002.tentative.html [ Failure ]
+
 # These tests timeout when using Scenic ozone platform.
 crbug.com/1067477 [ Fuchsia ] compositing/sibling-positioning.html [ Skip ]
 crbug.com/1067477 [ Fuchsia ] css3/selectors3/html/css3-modsel-18.html [ Skip ]