public void Can_NOT_be_plugged_in_if_plugged_type_cannot_be_cast_to_the_plugin_type()
{
var instance = new ConfiguredInstance(typeof(ColorRule));
var family = new PluginFamily(typeof(IWidget));
instance.As <IDiagnosticInstance>().CanBePartOfPluginFamily(family).ShouldBeFalse();
}