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chromium/third_party/blink/web_tests/external/wpt/css/css-tables/visibility-collapse-row-004.html 

<!doctype html>
<meta charset="utf-8">
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<link rel="author" title="Aleks Totic" href="mailto:[email protected]">
<link rel="help" href="https://www.w3.org/TR/CSS2/tables.html#dynamic-effects">
<style>
  table { background: red;}
  td { background:green; padding: 0;}
</style>
<main>
  <h1>Visibility collapse changes table height even when its height is fixed</h1>

  <table style="height:150px;border-spacing: 0">
    <tr>
      <td style="width:50px">a</td>
    </tr>
    <tr style="visibility:collapse">
      <td style="width:100px">hello</td>
    </tr>
    <tr>
      <td>b</td>
    </tr>
  </table>
</main>
<script>
  test(function() {
    let t = document.querySelector("table");
    assert_equals(t.offsetWidth, 100);
    assert_equals(t.offsetHeight, 100);
  }, "collapsed row shrinks table height");
</script>