@Test public void faultTest() throws IOException {
  int clients=10;
  mTfs.createFile("/0",1024);
  for (int k=1; k < clients; k++) {
    TachyonFS tfs=mLocalTachyonClusterMultiMaster.getClient();
    tfs.createFile("/" + k,1024);
  }
  List<String> files=mTfs.ls("/",true);
  Assert.assertEquals(clients + 1,files.size());
  Assert.assertEquals("/",files.get(0));
  for (int k=0; k < clients; k++) {
    Assert.assertEquals("/" + k,files.get(k + 1));
  }
  for (int kills=1; kills <= 3; kills++) {
    Assert.assertTrue(mLocalTachyonClusterMultiMaster.killLeader());
    CommonUtils.sleepMs(null,1500);
    mTfs=mLocalTachyonClusterMultiMaster.getClient();
    files=mTfs.ls("/",true);
    Assert.assertEquals(clients + 1,files.size());
    Assert.assertEquals("/",files.get(0));
    for (int k=0; k < clients; k++) {
      Assert.assertEquals("/" + k,files.get(k + 1));
    }
  }
}
