can it be use with uve?

[bin787]

Hi,
i am a new comer for jest and working on a project with some feature to draw on a canvas element.
in my test, i found that it didn't work when i tried to expect on a call on the mocked canvas.ctx.fillText. let me explain the details as below.
`
//the render from '@testing-library/vue' to spin up the detectedObjects component with only a canvas element.
const { container } = render(detectedObjects);

const canv = container.querySelector('canvas');

const ctx = canv.getContext('2d');

advance(50);  // after 50ms, the component will call ctx.fillText to draw some text on the canvas.

expect(ctx.fillText).toHaveBeenCalledTimes(1);  // however it fails at this step always.

`
i can assure that the code in the component that calls fillText has been executed before the expect. when i experimented by adding "ctx.fillText('hello world!', 1, 2)" before the expect, the test passed.

can you help to check why my test case doesn't work? thanks a lot in advance for your help.