public void index_get_all()
{
var controller = new SystemController(_repository);
_repository.Add(new Domain.Entities.System()
{
SystemId = 1, Name = "App 1"
});
_repository.Add(new Domain.Entities.System()
{
SystemId = 2, Name = "App 2"
});
var result = controller.Index();
result.Should().BeViewResult().ModelAs <IEnumerable <Domain.Entities.System> >().Should().HaveCount(2);
}