I'm marking the native-theme reftest (select-element-zero-height-001.html) as [PASS, FAIL] since it's not really worth tracking down exactly what the platforms it fails/succeeds on. It could even depend on having a high DPI display on some platforms, since on OS X it appears to only differ by aliasing on a retina display.
Bug 1591925 Comment 25 Edit History
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I'm marking the native-theme reftest (select-element-zero-height-001.html) as [PASS, FAIL] since it's not really worth tracking down exactly what the platforms it fails/succeeds on. It could even depend on having a high DPI display on some platforms, since on OS X it appears to only differ by aliasing on a retina display. We also have a bug to track the issue, and a second reftest which is not platform-dependent.