@After
  public void tearDown() throws Exception {
    SnapshotTestingUtils.deleteAllSnapshots(UTIL.getAdmin());
    SnapshotTestingUtils.deleteArchiveDirectory(UTIL);
  }
Initialize the tests with a table filled with some data and two snapshots (snapshotName0,
snapshotName1) of different states. The tableName, snapshotNames and the number of rows in the
snapshot are initialized.
hbase-server/src/test/java/org/apache/hadoop/hbase/snapshot/TestRestoreFlushSnapshotFromClient.java