text: describe('JS Editor', () => {
      beforeAll(async () => {
          await page.goto('http://127.0.0.1:4444/pages/js/array-concat.html');
      });
  
      it('renders expected output after clicking Run', async () => {
          
          const expectedOutput = [
              '> "First Log Output: " Array ["a", "b", "c", "d", "e", "f"]',
              '> "Second Log Output: " Array ["a", "b", "c", "D", "E", "F", "G"]',
          ].join(`\n`);
  
          await page.waitForSelector('#execute');
          await page.click('#execute');
  
          let outputContent = await page.$eval('.output code', elem =>
              elem.innerText.trim()
          );
          await expect(outputContent).toBe(expectedOutput);
      });
  });
  