def test_add_one_with_thumbnail_filename(self):
"""Add a Cultivar with a Thumbnail Filename to worksheet."""
wb = Workbook()
ws = wb.active
cvws = CultivarsWorksheet(ws)
cvws.setup()
cv = Cultivar(name='Foxy')
cv.common_name = CommonName(name='Foxglove')
cv.common_name.index = Index(name='Perennial')
cv.thumbnail = Image(filename='foo.jpg')
cvws.add_one(cv)
assert cvws.cell(2, cvws.cols['Thumbnail Filename']).value == 'foo.jpg'
