@Override
      public Object call() {
        Region lr = getCache().getRegion(lrName);
        assertThat(lr.get("key")).isNull();
        return null;
      }
disabled because rather than throwing an exception, getAll catches all exceptions and logs a
warning message
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/RemoteTransactionDUnitTest.java