@Parameters(name = "{index}: async={0}")
  public static List<Object[]> params() {
    return Arrays.asList(new Object[] { false }, new Object[] { true });
  }
Class to test HBaseHbck. Spins up the minicluster once at test start and then takes it down
afterward. Add any testing of HBaseHbck functionality here.
hbase-server/src/test/java/org/apache/hadoop/hbase/client/TestHbck.java