code: public void testIncrementColumnValue_AddingNew() throws IOException {
    initHRegion(tableName,getName(),fam1);
    long value=1L;
    long amount=3L;
    Put put=new Put(row);
    put.add(fam1,qual1,Bytes.toBytes(value));
    put.add(fam1,qual2,Bytes.toBytes(value));
    region.put(put);
    long result=region.incrementColumnValue(row,fam1,qual3,amount,true);
    assertEquals(amount,result);
    Get get=new Get(row);
    get.addColumn(fam1,qual3);
    Result rr=region.get(get,null);
    assertEquals(1,rr.size());
    assertICV(row,fam1,qual1,value);
    assertICV(row,fam1,qual2,value);
    assertICV(row,fam1,qual3,amount);
  }
  