public void invoke(final SerializableRunnableIF runnable) {
    try {
      runnable.run();
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
Provides remote invocation support to a {@code TestRule}. These methods will invoke a
SerializableRunnable in all remote DUnit JVMs including the Locator JVM.
geode-dunit/src/main/java/org/apache/geode/test/dunit/rules/RemoteInvoker.java