feat(server): more e2e test cases

packages/server/test/credit-note-refunds.e2e-spec.ts

@@ -0,0 +1,12 @@
+import * as request from 'supertest';
+import { app, AuthorizationHeader, orgainzationId } from './init-app-test';
+
+describe('Credit Note Refunds (e2e)', () => {
+  it('/credit-notes/:creditNoteId/refunds (GET)', () => {
+    return request(app.getHttpServer())
+      .get('/credit-notes/1/refunds')
+      .set('organization-id', orgainzationId)
+      .set('Authorization', AuthorizationHeader)
+      .expect(200);
+  });
+});