public void TestGetIntershipById()
{
// arrange
var id = 1;
var intershipService = new InternshipService(_intershipRepository);
var intershipRepositoryResult = getIntershipRepositoryResult();
_intershipRepository.Get(id).Returns(intershipRepositoryResult);
// act
var result = intershipService.GetById(id);
// assert
Assert.AreEqual(expected: intershipRepositoryResult, actual: result);
}