public void TestLoadRegisteredPlugin()
{
var registry = new PluginRegistry();
var plugin = CreateOutlinePlugin();
registry.Register(plugin);
var plugins = registry.LoadAllOfType <ILogFileOutlinePlugin>();
plugins.Should().NotBeNull();
plugins.Should().HaveCount(1);
plugins.First().Should().BeSameAs(plugin);
var plugins2 = registry.LoadAllOfTypeWithDescription <ILogFileOutlinePlugin>();
plugins2.Should().NotBeNull();
plugins2.Should().HaveCount(1);
plugins2[0].Plugin.Should().BeSameAs(plugin);
plugins2[0].Description.Should().BeNull();
}