envio de constancias pdf, se añadio banner

src/carousel/carousel.controller.spec.ts

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+import { Test, TestingModule } from '@nestjs/testing';
+import { CarouselController } from './carousel.controller';
+
+describe('CarouselController', () => {
+  let controller: CarouselController;
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [CarouselController],
+    }).compile();
+
+    controller = module.get<CarouselController>(CarouselController);
+  });
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined();
+  });
+});