test: add tests for translated-external-link

Signed-off-by: Philip Molares <philip.molares@udo.edu>

src/components/common/links/__snapshots__/translated-external-link.test.tsx.snap

@@ -0,0 +1,15 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`TranslatedExternalLink renders with i18nKey 1`] = `
+<div>
+  <a
+    class="text-light"
+    dir="auto"
+    href="https://example.com"
+    rel="noopener noreferrer"
+    target="_blank"
+  >
+    testi18nKey
+  </a>
+</div>
+`;

src/components/common/links/translated-external-link.test.tsx

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2022 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+import { TranslatedExternalLink } from './translated-external-link'
+import { mockI18n } from '../../markdown-renderer/test-utils/mock-i18n'
+import { render } from '@testing-library/react'
+
+describe('TranslatedExternalLink', () => {
+  const href = 'https://example.com'
+  beforeAll(async () => {
+    await mockI18n()
+  })
+  it('renders with i18nKey', () => {
+    const view = render(<TranslatedExternalLink i18nKey={'testi18nKey'} href={href} />)
+    expect(view.container).toMatchSnapshot()
+  })
+})