public void GetSection_ExtensionIsILoadExtensionConfigurationSection_ShouldDelegateLoadingToExtension()
{
var extension = new Mock<IExtension>();
var loader = extension.As<ILoadConfigurationSection>();
var testee = new LoadConfigurationSection(extension.Object);
testee.GetSection(AnyName);
loader.Verify(l => l.GetSection(AnyName));
}