public void When()
{
// given
var tagger = new TransactionFilePositionTagger(0);
var positionTracker = new PositionTracker(tagger);
var newTag = CheckpointTag.FromPosition(0, 100, 50);
positionTracker.UpdateByCheckpointTagInitial(newTag);
_tag = positionTracker.LastTag;
_tagger = new TransactionFilePositionTagger(0);
_positionTracker = new PositionTracker(_tagger);
_positionTracker.UpdateByCheckpointTagInitial(_tag);
// when
_positionTracker.Initialize();
}
