anchor.diff:        });
   
         expect(entries, hasLength(1));
  -      expect(entries.single, new isInstanceOf<Group>());
  -      expect(entries.single.name, equals("group"));
  -      expect(entries.single.entries, hasLength(1));
  -      expect(entries.single.entries.single, new isInstanceOf<Test>());
  -      expect(entries.single.entries.single.name, "group description");
  +      var testGroup = entries.single as Group;
  +      expect(testGroup.name, equals("group"));
  +      expect(testGroup.entries, hasLength(1));
  +      expect(testGroup.entries.single, new isInstanceOf<Test>());
  +      expect(testGroup.entries.single.name, "group description");
       });
   
       test("tests inherit the group's description when it's not a string", () {
  
positive.code:           });
          });
  
          await _runTest(entries.single.entries.single.entries.single);
          expect(innerTearDownRun, isTrue);
          expect(middleTearDownRun, isTrue);
          expect(outerTearDownRun, isTrue);
  
negative.code:           });
          });
  
          var innerGroup = entries.single as Group;
          await _runTest(innerGroup.entries.single);
          expect(innerTearDownRun, isTrue);
          expect(outerTearDownRun, isTrue);
        });
  