public void Should_ReturnOnlyInquiriesWhereReferenceDateEqualNull_WhenAdminRequested()
{
// arrange
var repository = Substitute.For<IRepository>();
repository.Query<Inquiry>().ReturnsForAnyArgs(inquiries.AsQueryable());
repository.Query<Person>().ReturnsForAnyArgs(new List<Person>().AsQueryable());
repository.Query<Tag>().ReturnsForAnyArgs(new List<Tag>().AsQueryable());
// act
var controller = new InquiriesController(repository);
var viewResult = (AdminViewModel)controller.Admin().Model;
// assert
viewResult.Inquiries.Count().Should().Be(10);
}