Skip ellipsis test that still fails on Mac

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 8e7a45dd432f02fa30e202b545c52d23cf180b5c..29fb06f2aadcf89a69ccdab61c1b5742ae3c381c 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -847,6 +847,8 @@ crbug.com/518993 external/wpt/user-timing/test_user_timing_measure_navigation_ti
 crbug.com/636053 [ Mac Win ] printing/thead-repeats-at-top-of-each-page-multiple-tables.html [ NeedsManualRebaseline ]
 crbug.com/636053 [ Mac Win ] virtual/threaded/printing/thead-repeats-at-top-of-each-page-multiple-tables.html [ NeedsManualRebaseline ]
 
+crbug.com/659123 [ Mac ] fast/css/text-overflow-ellipsis-button.html [ Pass Failure ]
+
 crbug.com/432129 html/marquee/marquee-scroll.html [ Failure Pass ]
 crbug.com/326139 crbug.com/390125 media/video-frame-accurate-seek.html [ Failure Pass ]
 crbug.com/248938 virtual/threaded/animations/animation-iteration-event-destroy-renderer.html [ Pass Timeout ]