public void CanRegisterMultipleDispensers()
{
IDependencyResolver container = new InternalDependencyResolver();
container.AddDependency<IJellybeanDispenser, VanillaJellybeanDispenser>();
container.AddDependency<IJellybeanDispenser, StrawberryJellybeanDispenser>();
IEnumerable<IJellybeanDispenser> dispensers = container.ResolveAll<IJellybeanDispenser>();
Assert.IsNotNull(dispensers);
Assert.AreEqual(2, dispensers.Count());
}