@Before
  public void before() throws MasterNotRunningException, ZooKeeperConnectionException, IOException {
    this.admin = UTIL.getAdmin();
  }
Port of old TestScanMultipleVersions, TestTimestamp and TestGetRowVersions from old testing
framework to {@link HBaseTestingUtil}.
hbase-server/src/test/java/org/apache/hadoop/hbase/TestMultiVersions.java