private TableDescriptor getBasic3FamilyHTableDescriptor(TableName tableName) {
    TableDescriptorBuilder builder = TableDescriptorBuilder.newBuilder(tableName);
    Arrays.stream(TEST_FAMILY).map(ColumnFamilyDescriptorBuilder::of)
      .forEachOrdered(builder::setColumnFamily);
    return builder.build();
  }
Creates an HRI around an HTD that has <code>tableName</code>.
@param tableName Name of table to use.
hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/TestWALObserver.java