background-image 指定 base64 格式的 url 报错

[temper357]

现象

测试代码

it('should work with image of no width in flex layout', async (done) => {
    let div;
    let image;
    div = createElement(
      'div',
      {
        style: {
          display: 'flex',
        },
      },
      [
        image = createElement('div', {
            style: {
                width: '100px',
                height: '100px',
                backgroundRepeat: 'no-repeat',
                backgroundImage: 'url(data:image/png;base64,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)'
            }
        }),
      ]
    );
    BODY.appendChild(div);

    image.onload = async () => {
      await matchViewportSnapshot();
      done();
    };
  });