/**
* auto projection for summarization.
*/
@Test
public void auto_projection_summarize() {
DmdlSemantics world = resolve();
ModelDeclaration model = world.findModelDeclaration("simple");
assertThat(model.getSymbol(), is(model("simple")));
List<ModelSymbol> projections = projections(model);
assertThat(projections.size(), is(1));
assertThat(projections, has(model("total")));