ComfyUI_frontend/tests-ui/globalSetup.ts

module.exports = async function () {
  global.ResizeObserver = class ResizeObserver {
    observe() {}
    unobserve() {}
    disconnect() {}
  }

  const { nop } = require('./utils/nopProxy')
  global.enableWebGLCanvas = nop

  HTMLCanvasElement.prototype.getContext = nop

  localStorage['Comfy.Settings.Comfy.Logging.Enabled'] = 'false'
}