private void writeStoreFile(final StoreFileWriter writer) throws IOException {
    writeStoreFile(writer, Bytes.toBytes(name.getMethodName()),
      Bytes.toBytes(name.getMethodName()));
  }
Write a file and then assert that we can read from top and bottom halves using two
HalfMapFiles, as well as one HalfMapFile and one HFileLink file.
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestHStoreFile.java