Add a simple test

tests/integration/components/icon-components-test.gts

@@ -0,0 +1,14 @@
+import { module, test } from 'qunit';
+import { setupRenderingTest } from 'ember-qunit';
+import { render } from '@ember/test-helpers';
+import { AddIcon } from '@appuniversum/ember-appuniversum/components/icons/add';
+
+module('Integration | Icon components', function (hooks) {
+  setupRenderingTest(hooks);
+
+  test('the icon components accept attributes', async function (assert) {
+    await render(<template><AddIcon data-test-icon /></template>);
+
+    assert.dom('[data-test-icon]').exists();
+  });
+});