@Override
            public void toData(DataOutput out) throws IOException {
              throw new IOException("bad to data");
              // throw new ToDataException("bad to data");
            }
Tests a toData that always throws an IOException. This test does a put with the bad to data from
an accessor to see if it will keep trying to resend the put to the data store
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/PRBadToDataDUnitTest.java