Add test for utils folder grouped exports

src/utils/index.test.js

@@ -0,0 +1,11 @@
+import * as utils from './index.js'
+
+describe('utils', () => {
+  it('has the expected exports', () => {
+    const utilExports = Object.keys(utils).sort()
+
+    expect(utilExports).toEqual(
+      ['getUserManagerForOpenIdConnectClient', 'initWebWorkers'].sort()
+    )
+  })
+})