List<LogRecord> logged = aggregateFutureLogHandler.getStoredLogRecords();
    assertThat(logged).hasSize(2); // failures after the first are logged
    assertThat(logged.get(0).getThrown()).isInstanceOf(MyException.class);
    assertThat(logged.get(1).getThrown()).isInstanceOf(MyException.class);
  }

  /** The same exception happening on multiple futures should not be logged. */

    List<LogRecord> logged = aggregateFutureLogHandler.getStoredLogRecords();
    assertThat(logged).hasSize(2); // failures after the first are logged
    assertThat(logged.get(0).getThrown()).isInstanceOf(MyException.class);
    assertThat(logged.get(1).getThrown()).isInstanceOf(MyException.class);
  }

  /** The same exception happening on multiple futures should not be logged. */

    List<LogRecord> logRecords = logHandler.getStoredLogRecords();
    assertThat(logRecords).hasSize(1);
    LogRecord logRecord = logRecords.get(0);
    logHandler.clear();
    return logRecord.getThrown();
  }

  private void checkNothingLogged() {
    assertThat(logHandler.getStoredLogRecords().isEmpty()).isTrue();
  }

  private void checkLogged(Throwable t) {

    List<LogRecord> logRecords = logHandler.getStoredLogRecords();
    assertThat(logRecords).hasSize(1);
    LogRecord logRecord = logRecords.get(0);
    logHandler.clear();
    return logRecord.getThrown();
  }

  private void checkNothingLogged() {
    assertThat(logHandler.getStoredLogRecords().isEmpty()).isTrue();
  }

  private void checkLogged(Throwable t) {