It works with ember g it-works-2.

app/components/it-works-2.js

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+import Ember from 'ember';
+
+export default Ember.Component.extend({
+});

app/templates/components/it-works-2.hbs

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+{{yield}}

tests/integration/components/it-works-2-test.js

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+import { moduleForComponent, test } from 'ember-qunit';
+import hbs from 'htmlbars-inline-precompile';
+
+moduleForComponent('it-works-2', 'Integration | Component | it works 2', {
+  integration: true
+});
+
+test('it renders', function(assert) {
+  // Set any properties with this.set('myProperty', 'value');
+  // Handle any actions with this.on('myAction', function(val) { ... });
+
+  this.render(hbs`{{it-works-2}}`);
+
+  assert.equal(this.$().text().trim(), '');
+
+  // Template block usage:
+  this.render(hbs`
+    {{#it-works-2}}
+      template block text
+    {{/it-works-2}}
+  `);
+
+  assert.equal(this.$().text().trim(), 'template block text');
+});