LayoutTests/editing/pasteboard/4947130.html

<p>This tests to see if dragging an image is a move drag by default (it should be).  You should only see one picture and it should be somewhere near the middle. <b>This demonstrates a bug, the ghost of the drag caret is left after the drop.</b></p>
<div contenteditable="true" id="div">
xxxxxxxxxx<img id="img" src="../resources/abe.png">
</div>

<script>

if (window.testRunner)
    testRunner.waitUntilDone();

function runTest() {
    if (!window.testRunner)
        return;

    var img = document.getElementById("img");
    var left = img.offsetLeft;
    var top = img.offsetTop;
    var x = left + img.offsetWidth / 2;
    var y = top + img.offsetHeight / 2;

    eventSender.mouseMoveTo(x, y);
    eventSender.mouseDown();
    eventSender.leapForward(1300);

    eventSender.mouseMoveTo(left - 28, y);
    eventSender.mouseUp();

    if (img.complete)
        testRunner.notifyDone();
    else
        img.onload = () => testRunner.notifyDone();
}

window.onload = runTest;
</script>