'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('D7', (self.image_dir + 'yellow.png'), {'x_offset': 1, 'y_offset': 2, 'positioning': 1})
    workbook.close()
    self.assertExcelEqual()
