public void ReplaceEntitySet_should_remove_set_with_type()
{
var model = new EdmModel(DataSpace.CSpace);
var entityType = model.AddEntityType("Foo");
model.AddEntitySet("FooSet", entityType);
model.ReplaceEntitySet(entityType, null);
Assert.Equal(1, model.EntityTypes.Count());
Assert.Equal(0, model.Containers.First().EntitySets.Count());
}