pe === Node.TEXT_NODE);
            assert(
              container.childNodes[2].textContent === 'This is some text.'
            );
            assert(container.childNodes[3] === child3);
          });
        });

        suite('Element', function () {
          test('Appends an element', () => {
            const container = document.createElement('div');
            container.appendChild(document.createElement('div'));

            const child = document.createElement('div');
            container.appe