feat: Implement get payment plans API endpoint

packages/backend/src/controllers/api/v1/payment/get-plans.ee.test.js

@@ -0,0 +1,29 @@
+import { vi, describe, it, expect, beforeEach } from 'vitest';
+import request from 'supertest';
+import app from '../../../../app.js';
+import createAuthTokenByUserId from '../../../../helpers/create-auth-token-by-user-id.js';
+import { createUser } from '../../../../../test/factories/user.js';
+import getPaymentPlansMock from '../../../../../test/mocks/rest/api/v1/payment/get-plans.js';
+import appConfig from '../../../../config/app.js';
+
+describe('GET /api/v1/payment/plans', () => {
+  let user, token;
+
+  beforeEach(async () => {
+    user = await createUser();
+    token = createAuthTokenByUserId(user.id);
+
+    vi.spyOn(appConfig, 'isCloud', 'get').mockReturnValue(true);
+  });
+
+  it('should return payment plans', async () => {
+    const response = await request(app)
+      .get('/api/v1/payment/plans')
+      .set('Authorization', token)
+      .expect(200);
+
+    const expectedResponsePayload = await getPaymentPlansMock();
+
+    expect(response.body).toEqual(expectedResponsePayload);
+  });
+});