diff --git a/admin/src/i18n.test.js b/admin/src/i18n.test.js
new file mode 100644
index 000000000..e39e0e824
--- /dev/null
+++ b/admin/src/i18n.test.js
@@ -0,0 +1,30 @@
+import i18n from './i18n'
+import VueI18n from 'vue-i18n'
+
+jest.mock('vue-i18n')
+
+describe('i18n', () => {
+  it('calls i18n with locale en', () => {
+    expect(VueI18n).toBeCalledWith(
+      expect.objectContaining({
+        locale: 'en',
+      }),
+    )
+  })
+
+  it('calls i18n with fallback locale en', () => {
+    expect(VueI18n).toBeCalledWith(
+      expect.objectContaining({
+        fallbackLocale: 'en',
+      }),
+    )
+  })
+
+  it('has a  _t function', () => {
+    expect(i18n).toEqual(
+      expect.objectContaining({
+        _t: expect.anything(),
+      }),
+    )
+  })
+})