text: import { mount } from '@vue/test-utils';
  import sinon from 'sinon';
  import ThumbnailDisplay from '@/components/PlayingView/ThumbnailDisplay.vue';
  
  describe('Component - ThumbnailDisplay', () => {
    let wrapper;
    let sandbox;
    const propsData = {
      currentTime: 0,
    };
    beforeEach(() => {
      sandbox = sinon.createSandbox();
      wrapper = mount(ThumbnailDisplay, { propsData });
    });
    afterEach(() => {
      wrapper.destroy();
      sandbox.restore();
    });
  });
  