Add test for nav

packages/core/content-type-builder/admin/src/components/ContentTypeBuilderNav/tests/__snapshots__/index.test.js.snap

@@ -0,0 +1,37 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`<ContentTypeBuilderNav /> renders and matches the snapshot 1`] = `
+.c0 {
+  border: 0;
+  -webkit-clip: rect(0 0 0 0);
+  clip: rect(0 0 0 0);
+  height: 1px;
+  margin: -1px;
+  overflow: hidden;
+  padding: 0;
+  position: absolute;
+  width: 1px;
+}
+
+<div>
+  <div
+    class="c0"
+  >
+    <p
+      aria-live="polite"
+      id="live-region-log"
+      role="log"
+    />
+    <p
+      aria-live="polite"
+      id="live-region-status"
+      role="status"
+    />
+    <p
+      aria-live="assertive"
+      id="live-region-alert"
+      role="alert"
+    />
+  </div>
+</div>
+`;

packages/core/content-type-builder/admin/src/components/ContentTypeBuilderNav/tests/index.test.js

@@ -0,0 +1,42 @@
+/**
+ *
+ * Tests for ContentTypeBuilderNav
+ *
+ */
+
+import React from 'react';
+import { render } from '@testing-library/react';
+import { Router, Route } from 'react-router-dom';
+import { createMemoryHistory } from 'history';
+import Theme from '../../../../../../admin/admin/src/components/Theme';
+import LanguageProvider from '../../../../../../admin/admin/src/components/LanguageProvider';
+import en from '../../../../../../admin/admin/src/translations/en.json';
+
+import ContentTypeBuilderNav from '../index';
+
+const makeApp = () => {
+  const history = createMemoryHistory();
+  const messages = { en };
+  const localeNames = { en: 'English' };
+
+  return (
+    <LanguageProvider messages={messages} localeNames={localeNames}>
+      <Theme>
+        <Router history={history}>
+          <Route path="/plugins/content-type-builder">
+            <ContentTypeBuilderNav />
+          </Route>
+        </Router>
+      </Theme>
+    </LanguageProvider>
+  );
+};
+
+describe('<ContentTypeBuilderNav />', () => {
+  it('renders and matches the snapshot', () => {
+    const App = makeApp(ContentTypeBuilderNav);
+    const { container } = render(App);
+
+    expect(container).toMatchSnapshot();
+  });
+});