private void startTestTraversal(TraversalSchedule traversalSchedule,
DocumentSnapshotRepositoryMonitor.Callback callback)
throws InterruptedException, NullPointerException {
DocumentSnapshotRepositoryMonitor monitor =
new DocumentSnapshotRepositoryMonitor("nashi", null,
null, callback, null, null, null);
monitor.setTraversalSchedule(traversalSchedule);
monitor.testTraversalSchedule();
}