private static void tearDownCreationStackGenerator() {
    InternalDistributedSystem.TEST_CREATION_STACK_GENERATOR
        .set(InternalDistributedSystem.DEFAULT_CREATION_STACK_GENERATOR);
  }
{@code postTearDown()} is invoked after {@link #doTearDownDistributedTestCase()}.

<p>
Override this as needed. Default implementation is empty.
geode-dunit/src/main/java/org/apache/geode/test/dunit/internal/JUnit4DistributedTestCase.java