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chromium/third_party/blink/web_tests/fast/borders/border-image-slice-omission.html 

<html>
<head>
<script>
if (window.testRunner)
    testRunner.dumpAsText()

function runTest()
{
   document.body.style.borderImage = 'none'
   document.body.style.cssText
}
</script>
</head>
<body onload="runTest()">
This test passes if it does not crash.
</body>