diff --git a/002_source/cms/src/lib/helloworld.test.ts b/002_source/cms/src/lib/helloworld.test.ts
new file mode 100644
index 0000000..d75f9f5
--- /dev/null
+++ b/002_source/cms/src/lib/helloworld.test.ts
@@ -0,0 +1,9 @@
+/// <reference types="jest" />
+
+import { helloworld } from './helloworld';
+
+describe('helloworld', () => {
+  it('should return "Helloworld"', () => {
+    expect(helloworld()).toBe('Helloworld');
+  });
+});
diff --git a/002_source/cms/src/lib/helloworld.ts b/002_source/cms/src/lib/helloworld.ts
new file mode 100644
index 0000000..d9287ed
--- /dev/null
+++ b/002_source/cms/src/lib/helloworld.ts
@@ -0,0 +1,3 @@
+export function helloworld(): string {
+  return 'Helloworld';
+}