@After
  public void tearDown() {
    disconnectAllFromDS();
    invokeInEveryVM(() -> {
      GemFireCacheImpl.testCacheXml = null;
      PRQueryDUnitHelper.setCache(null);
    });
  }
TODO: most of these tests log statements instead of using assertions
geode-core/src/distributedTest/java/org/apache/geode/cache/query/partitioned/PRBasicIndexCreationDUnitTest.java