'Test the creation of a simple XlsxWriter file with image(s).'

def test_create_file(self):

    workbook = Workbook(self.got_filename)
    worksheet = workbook.add_worksheet()
    worksheet.insert_image('E9', (self.image_dir + 'red.png'), {'positioning': 2})
    workbook.close()
    self.assertExcelEqual()
