private void simulateDeadlockScenario() {
    Thread th = new IndexCreationDeadLockJUnitTest.PutThread("put thread");
    th.start();
    ThreadUtils.join(th, 60 * 1000);
  }
Tests inability to create index on a region which overflows to disk *
geode-core/src/integrationTest/java/org/apache/geode/cache/query/functional/IndexCreationDeadLockJUnitTest.java