@Test
  public void NoT2() throws IOException {
    long[] minTimestamps = new long[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
    long[] maxTimestamps = new long[] { 44, 60, 61, 97, 100, 193 };
    long[] sizes = new long[] { 0, 20, 21, 22, 23, 1 };

    compactEquals(194, sfCreate(minTimestamps, maxTimestamps, sizes), new long[] { 22, 23 },
      new long[] { Long.MIN_VALUE, 96 }, false, true);
  }
If there is no T1 window, we don't build T2
@throws IOException with error
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDateTieredCompactionPolicy.java