public void Initialize()
 {
     holdingRepo = new InMemoryRepository <Holding>();
     branchRepo  = new InMemoryRepository <Branch>();
     controller  = new HoldingsController(holdingRepo, branchRepo);
 }
 public HoldingsControllerTest(DbContextFixture fixture)
 {
     fixture.Seed();
     context    = new LibraryContext(fixture.ContextOptions);
     controller = new HoldingsController(context);
 }