private static void destroy(Admin admin, TableName tableName) throws IOException {
    try {
      admin.disableTable(tableName);
      admin.deleteTable(tableName);
    } catch (TableNotFoundException tnfe) {
      /* Ignore */
    }
  }
Test the filter by adding 2 columns of family A in the scan. (OK)
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestSCVFWithMiniCluster.java