add test for feedback page

assets/js/__test__/FeedbackPage-test.jsx

@@ -9,4 +9,13 @@ describe('FeedbackPage', () => {
     );
     expect(feedbackPage).to.exist;
   });
+  it('contains page title', () => {
+    const feedbackPage = ReactTestUtils.renderIntoDocument(
+      <FeedbackPage />,
+    );
+    const titleh1 = ReactTestUtils.findRenderedDOMComponentWithTag(feedbackPage, 'h1');
+    const titleh2 = ReactTestUtils.findRenderedDOMComponentWithTag(feedbackPage, 'h2');
+    expect(titleh1.textContent).to.equal('Berikan Umpan Balik');
+    expect(titleh2.textContent).to.equal('Silahkan berikan umpan balik atas layanan yang disediakan oleh KaPe');
+  });
 });