Expand failure expectations for fast/events/before-unload-return-value-from-listener.html

This test is also crashing and timing out on other macOS platforms.

Example:
https://test-results.appspot.com/data/layout_results/WebKit_Mac10_13__retina_/16073/webkit_layout_tests/layout-test-results/results.html

Bug: 976355
Change-Id: I6c11cfd7986c2881153bd25e434c40ff365e3117
No-Try: true
Tbr: eae@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1679217
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672613}

third_party/blink/web_tests/TestExpectations

@@ -860,10 +860,8 @@ crbug.com/591099 [ Mac ] paint/invalidation/flexbox/remove-inline-block-descenda
 crbug.com/591099 [ Mac ] fast/replaced/input-radio-height-inside-auto-container.html [ Failure ]
 crbug.com/591099 [ Mac ] images/feature-policy-oversized-images-resize.html [ Failure ]
 crbug.com/974717 [ Linux ] images/feature-policy-oversized-images-resize.html [ Failure Pass ]
-crbug.com/591099 [ Mac10.11 ] fast/events/before-unload-return-value-from-listener.html [ Crash Timeout ]
 crbug.com/591099 [ Mac10.11 ] media/track/track-cue-rendering-position-auto-rtl.html [ Failure ]
 crbug.com/591099 [ Mac10.11 ] virtual/scalefactor200/fast/hidpi/static/popup-menu-appearance.html [ Failure ]
-crbug.com/976355 [ Mac10.12 ] fast/events/before-unload-return-value-from-listener.html [ Crash Timeout ]
 crbug.com/591099 [ Mac10.13 ] compositing/geometry/root-layer-update.html [ Failure ]
 crbug.com/591099 [ Mac10.13 ] compositing/overlap-blending/reflection-opacity-huge.html [ Failure ]
 crbug.com/591099 [ Mac10.13 ] compositing/reflections/reflection-positioning2.html [ Failure ]
@@ -1042,7 +1040,7 @@ crbug.com/591099 [ Mac10.13 ] fast/dynamic/012.html [ Failure ]
 crbug.com/591099 [ Mac10.13 ] fast/dynamic/insert-before-table-part-in-continuation.html [ Failure ]
 crbug.com/591099 [ Mac10.13 ] fast/dynamic/noninlinebadness.html [ Failure ]
 crbug.com/591099 [ Mac10.13 ] fast/dynamic/outerHTML-doc.html [ Failure ]
-crbug.com/591099 [ Mac10.13 ] fast/events/before-unload-return-value-from-listener.html [ Crash Timeout ]
+crbug.com/591099 [ Mac ] fast/events/before-unload-return-value-from-listener.html [ Crash Timeout ]
 crbug.com/591099 [ Mac10.13 ] fast/forms/basic-inputs.html [ Failure ]
 crbug.com/591099 [ Mac10.13 ] fast/forms/button/button-inner-block-reuse.html [ Failure ]
 crbug.com/591099 [ Mac10.13 ] fast/forms/formmove2.html [ Failure ]
@@ -6180,7 +6178,6 @@ crbug.com/976045 fast/scrolling/unscrollable-layer-subpixel-size-with-negative-o
 crbug.com/976045 virtual/fractional_scrolling/fast/scrolling/unscrollable-layer-subpixel-size-with-negative-overflow.html [ Pass Failure ]
 crbug.com/976045 virtual/scroll_customization/fast/scrolling/unscrollable-layer-subpixel-size-with-negative-overflow.html [ Pass Failure ]
 crbug.com/976045 virtual/threaded/fast/scrolling/unscrollable-layer-subpixel-size-with-negative-overflow.html [ Pass Failure ]
-crbug.com/977379 [ Mac10.10 ] fast/events/before-unload-return-value-from-listener.html [ Pass Timeout Failure ]
 
 crbug.com/974710 [ Win7 ] http/tests/security/isolatedWorld/bypass-main-world-csp-iframes.html [ Pass Failure ]
 crbug.com/974710 [ Win7 ] virtual/blink-cors/http/tests/security/isolatedWorld/bypass-main-world-csp-iframes.html [ Pass Failure ]