@SuppressWarnings("RedundantThrows") // Subclasses may want to throw
  @Override
  protected final void postTearDownRegionTestCase() throws Exception {
    cleanup();
    invokeInEveryVM(MultiVMRegionTestCase::cleanup);
  }
Abstract superclass of {@link Region} tests that involve more than one VM.
geode-dunit/src/main/java/org/apache/geode/cache30/MultiVMRegionTestCase.java