The test file at https://github.com/mozilla/pdf.js/blob/master/test/pdfs/annotation-choice-widget.pdf contains listboxes, which are not rendered correctly when printed right now. These kinds of fields are made by https://github.com/mozilla/pdf.js/blob/master/src/display/annotation_layer.js#L672-L678.

/cc @calixteman 
constructor(parameters) {
    super(parameters);
    this.data.annotationType = AnnotationType.FREETEXT;
  }
}
class LineAnnotation extends MarkupAnnotation {