public void createTableAndFamily(final String table, final String family) {
  // TODO(emilio) setting the GC rule like this does not work.
  ColumnFamily columnFamily = ColumnFamily.newBuilder()
      .setGcRule(GcRule.newBuilder().setMaxNumVersions(1).build())
      .build();
  emulator
      .getTableAdminClient()
      .createTable(
          CreateTableRequest.newBuilder()
              .setParent(INSTANCE_NAME.toString())
              .setTableId(table)
              .setTable(
                  Table.newBuilder().putColumnFamilies(family, columnFamily))
              .build());
}