@After
  public void tearDown() throws Exception {
    WAL wal = ((HRegion) region).getWAL();
    ((HRegion) region).close();
    wal.close();
  }
Test the invocation logic of the filters. A filter must be invoked only for the columns that are
requested for.
hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestInvocationRecordFilter.java