@Override
      public Object call() {
        PartitionedRegion cust = (PartitionedRegion) getCache().getRegion(CUSTOMER);
        assertThat(cust.get(custId0)).isNull();
        assertThat(cust.get(custId4)).isNull();
        return null;
      }
Make sure that getEntry returns null properly and values when it should
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/RemoteTransactionDUnitTest.java