public async void GivenAJobApplicationService_WhenGetById_ThenRepoExecutesGetById()
{
//Given
var testGuid = Guid.NewGuid();
var mockRepo = Substitute.For <JobApplicationRepository>();
var mockRepoFile = Substitute.For <FileRepository>();
mockRepo.GetById(testGuid)
.Returns(Task.FromResult(new JobApplication(Guid.NewGuid(), Guid.NewGuid())));
var mockLogger = Substitute.For <ILoggerManager>();
var _jobApplcaitionService = new JobApplicationService(mockRepo, mockRepoFile, mockLogger);
//When
await _jobApplcaitionService.GetById(testGuid.ToString());
//Then
await mockRepo.Received().GetById(testGuid);
}