ataAppendToForm1');
    test(function() {
        var fd = new FormData(document.getElementById("form"));
        fd.append('key', 'value2');
        fd.append('key', 'value1');
        assert_equals(fd.get('key'), "value2");
    }, 'testFormDataAppendToForm2');
    test(function() {
        var fd = new FormData(document.getElementById("form"));
        fd.append('key', undefined);
        assert_equals(fd.get('key'), "undefined");
    }, 'testFormDataAppendToFormUndefined1');
    test(function() {
       