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chromium/third_party/blink/web_tests/editing/pasteboard/paste-table-003.html 

<!doctype html>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<script src="../assert_selection.js"></script>
<script>
test(() => {
    assert_not_equals(window.internals, undefined,
        'This test requires window.internals to access clipboard');

    assert_selection(
        [
            '<div contenteditable>',
                '^<table><tbody><tr><td>one</td><td>two</td></tr></tbody></table>|',
                '<div id="target">replaceme</div>',
            '</div>',
        ].join(''),
        selection => {
            selection.document.execCommand('copy');
            const target = selection.document.getElementById('target');
            selection.collapse(target, 0);
            selection.extend(target, 1);
            selection.document.execCommand('paste');
        },
        [
            '<div contenteditable>',
                '<table><tbody><tr><td>one</td><td>two</td></tr></tbody></table>',
                '<div id="target">',
                    '<table><tbody><tr><td>one</td><td>two<br>|<br></td></tr></tbody></table>',
                '</div>',
            '</div>',
        ].join(''),
        'Paste TABLE to replace text');
}, 'Paste TABLE');
</script>