Tests are broken on zope.mimetype trunk

$ bin/test --all
...
AssertionError: Failed doctest test for widget.txt
  File "/home/tseaver/projects/Zope/Z3/ztk/src/zope.mimetype/src/zope/mimetype/widget.txt", line 0

----------------------------------------------------------------------
File "/home/tseaver/projects/Zope/Z3/ztk/src/zope.mimetype/src/zope/mimetype/widget.txt", line 80, in widget.txt
Failed example:
    print widget()
Expected:
    <div>
    <div class="value">
    <select id="field.dog" name="field.dog" size="5" >
    <option selected="selected" value="">(no value)</option>
    <option value="Ym93c2Vy">bowser</option>
    <option value="ZHVjaGVzcw==">duchess</option>
    <option value="bGFzc2ll">lassie</option>
    <option value="cHJpbmNl">prince</option>
    <option value="c3BvdA==">spot</option>
    </select>
    </div>
    <input name="field.dog-empty-marker" type="hidden" value="1" />
    </div>
Got:
    <div>
    <div class="value">
    <select id="field.dog" name="field.dog" size="5" >
    <option selected="selected" value="">(nothing selected)</option>
    <option value="Ym93c2Vy">bowser</option>
    <option value="ZHVjaGVzcw==">duchess</option>
    <option value="bGFzc2ll">lassie</option>
    <option value="cHJpbmNl">prince</option>
    <option value="c3BvdA==">spot</option>
    </select>
    </div>
    <input name="field.dog-empty-marker" type="hidden" value="1" />
    </div>