fix(api): add toLowerCase method to email (#38586)

api-server/common/models/User-Identity.test.js

@@ -0,0 +1,30 @@
+/* global expect */
+import { ensureLowerCaseEmail } from './User-Identity';
+
+test('returns lowercase email when one exists', () => {
+  const profile = {
+    id: 2,
+    emails: [{ value: 'Example@Mail.com', name: 'John Doe' }]
+  };
+  expect(ensureLowerCaseEmail(profile)).toBe('example@mail.com');
+});
+
+test('returns empty string when value is undefined', () => {
+  const profile = {
+    id: 4,
+    emails: []
+  };
+  expect(ensureLowerCaseEmail(profile)).toBe('');
+});
+
+test('returns empty string when emails is undefined', () => {
+  const profile = {
+    id: 5
+  };
+  expect(ensureLowerCaseEmail(profile)).toBe('');
+});
+
+test('returns empty string when profile is undefined', () => {
+  let profile;
+  expect(ensureLowerCaseEmail(profile)).toBe('');
+});