Incorrect (verbose QUnit assertions):

// tests/integration/components/greeting-test.js
import { module, test } from 'qunit';
import { setupRenderingTest } from 'ember-qunit';
import { render } from '@ember/test-helpers';


module('Integration | Component | greeting', function (hooks) {
  setupRenderingTest(hooks);

  test('it renders', async function (assert) {
    await render(<template><Greeting @name="World" /></template>);

    const element = this.element.querySelector('.greeting');
    assert.ok(element, 'greeting element exists');
    assert.equal(element.textContent.trim(), 'Hello, World!', 'shows greeting');
    assert.ok(element.classList.contains('greeting'), 'has greeting class');
  });
});