Add favicon webpack plugin

tests/testcafe/index.test.ts

@@ -7,6 +7,14 @@ import { Selector } from "testcafe";
 
 fixture`Page renders correctly`.page("http://localhost:3000");
 
+test("Favicon exists", async t => {
+  /**
+   * Test if there is a favicon element on the page
+   */
+  const elem = Selector("link[rel=\"icon\"");
+  await t.expect(elem.exists).ok();
+});
+
 test("Paragraph exists and is visible", async t => {
   /**
    * Test if there is a paragraph on the page.