private static String readFile(String filename) throws IOException {
    BufferedReader br = new BufferedReader(new FileReader(filename));
    String nextLine = "";
    StringBuilder sb = new StringBuilder();
    while ((nextLine = br.readLine()) != null) {
      sb.append(nextLine);
      //
      // note:
      // BufferedReader strips the EOL character.
      //
      // sb.append(lineSep);
    }
    return sb.toString();
  }
TODO: this test has no assertions or validations of any sort
geode-core/src/integrationTest/java/org/apache/geode/internal/jta/TransactionTimeOutJUnitTest.java