[Bug]: Test coverage gets wrong report when calling a method in an injected service

[its-dibo]

Version

29.7.0

Steps to reproduce

''when testing an injected service (class) and calling its methods, non of its methods reported by jest coverage as covered

for a NestJs project

@Injectable()
export class DriverService {
 findAll(){ ... }
}

test:

beforeEach(async () => {
  let module: TestingModule = await Test.createTestingModule({
    providers: [ DriverService ],
  }).compile();

  service = module.get<DriverService>(DriverService);
});

test('defined', ()=>{
expect(service).toBeDefined(); // pass
})

test('findAll', ()=>{
    mockRepo.findBy.mockResolvedValue(null);
    mockRepo.save.mockResolvedValue(mockValue );

    let _result = await service.findAll();  // <--- findAll() is called here

    expect(mockRepo.findAll).toHaveBeenCalled;
})

running the coverage report I see that findAll (and all other methods) are not covered

Expected behavior

The method is covered

Actual behavior

The method is not covered

Additional context

No response

Environment

System:
    OS: Linux 5.15 Debian GNU/Linux 12 (bookworm) 12 (bookworm)
    CPU: (8) x64 AMD Ryzen 7 PRO 3700U w/ Radeon Vega Mobile Gfx
  Binaries:
    Node: 22.12.0 - /usr/local/bin/node
    Yarn: 1.22.22 - /usr/local/bin/yarn
    npm: 10.9.0 - /usr/local/bin/npm
    pnpm: 9.15.4 - /usr/local/share/npm-global/bin/pnpm
  npmPackages:
    jest: 29.7.0 => 29.7.0