text: describe('my first test with jest-puppeteer', () => {
      beforeEach(async () => {
          await page.goto('http://localhost:9999');
      });
      it('can count', async () => {
          // refer to the elements we need
          const counter = await page.$('#counter');
          const btn = await page.$('#btn');
  
          // before any click we expect 0
          let counterText = await page.evaluate(el => el.textContent, counter)
          expect(+counterText).toEqual(0);
  
          // cick the button
          await btn.click();
  
          // expect counter to increament
          counterText = await page.evaluate(el => el.textContent, counter)
          expect(+counterText).toEqual(1);
      });
  })