private void startReader(Runnable runnable) {
    try {
      runnable.run();
    } catch (final Exception e) {
      e.printStackTrace();
      throw e;
    }
  }
@param waitUntilReaderExits if true, start reader thread and wait until it exits,
       otherwise run it asynchronously.
geode-core/src/test/java/org/apache/geode/internal/tcp/ConnectionTransmissionTest.java