private void testRegion() throws IOException {
    // normal read
    testGet();
    // scan with stream reader
    testStreamScan();
    // major compact
    region.compact(true);
    // test read and scan again
    testGet();
    testStreamScan();
  }
A UT to make sure that everything is fine when we fail to load bloom filter.
<p>
See HBASE-27936 for more details.
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBloomFilterFaulty.java