anchor.diff:        test('indexOf returns 0 if the element is not found', () {
           final pIndex = allocator<Uint32>();
           final containsElement = vectorView.indexOf('xx-xx', pIndex);
  -        expect(containsElement, false);
  +        expect(containsElement, isFalse);
           expect(pIndex.value, equals(0));
         });
   
  
positive.code:         final iterator = vectorView.first();
  
          for (var i = 0; i < list.length; i++) {
            expect(iterator.hasCurrent, true);
            expect(iterator.current.rawName, equals(list[i].rawName));
            // MoveNext() should return true except for the last iteration
            expect(iterator.moveNext(), i < list.length - 1);
  
negative.code:           ..append(259)
            ..append(666);
          final iterator = vector.first();
          expect(iterator.hasCurrent, isTrue);
          expect(iterator.current, equals(5));
          expect(iterator.moveNext(), isTrue);
          expect(iterator.current, equals(259));
          expect(iterator.moveNext(), isTrue);
          expect(iterator.current, equals(666));
          expect(iterator.moveNext(), isFalse);
        });
  
        tearDown(() {
  