public async void UpdateApplication_ApplicationExists_CallRepositoryUpdateAndReturnsUpdatedJobApplication()
{
// Arrange
const string companyName = "Company 1";
var jobApplicationEntities = (IEnumerable <JobApplicationEntity>)_jobApplicationEntities;
var jobApplicationEntity = jobApplicationEntities.First(x => x.CompanyName.Equals(companyName));
_jobApplicationRepository.GetOne(Arg.Any <Expression <Func <JobApplicationEntity, bool> > >()).Returns(jobApplicationEntity);
_mapper.Map <JobApplication>(jobApplicationEntity).Returns(_jobApplications[0]);
_userResolver.GetCurrentUser().Returns(_user);
// Act
var jobApplication = await _jobApplicationService.UpdateApplication(_jobApplications[0].CompanyName, _jobApplications[0])
.ConfigureAwait(false);
// Assert
await _jobApplicationRepository.Received().Update(_jobApplicationEntities[0]).ConfigureAwait(false);
Assert.Equal(_jobApplications[0], jobApplication);
}