public void Can_write_basic_model_builder_extension()
{
var builder = new BasicModelBuilder();
var returnedBuilder = builder
.ModelBuilderExtension("V1")
.ModelBuilderExtension("V2");
Assert.IsType <BasicModelBuilder>(returnedBuilder);
var model = builder.Model;
Assert.Equal("V2.Annotation", model["Annotation"]);
Assert.Equal("V2.Metadata", model["Metadata"]);
Assert.Equal("V2.Model", model["Model"]);
}
