placementMonitor.start();
BlockMover blockMover = placementMonitor.blockMover;
TestPlacementMonitor tpm = new TestPlacementMonitor();
FakeExecutorService fakeBlockMover = tpm.new
FakeExecutorService();
FakeBlockAndDatanodeResolver resolver = tpm.new
FakeBlockAndDatanodeResolver();
blockMover.executor = fakeBlockMover;
try {
// Start to check the placement
List<BlockInfo> srcLstBI = placementMonitor.getBlockInfos(fileSys,