@Before
  public void setup() throws Throwable {
    Path path = Paths.get("testcases", "protosheet", "protocats", "test1.json");
    ProtoSheet protoSheet = ModelImporter.loadSheet(path);
    actual = protoSheet.getTraits();

    expected.add(new ProtoCategory(11, "attributes"));
    expected.add(new ProtoCategory(12, "abilities"));
    expected.add(new ProtoCategory(13, "virtues"));
  }