@Override
          public Object load2(LoaderHelper<Object, Object> helper) throws CacheLoaderException {

            Object[] array = (Object[]) helper.getArgument();
            assertThat(array[0]).isEqualTo(one);
            array[0] = two;
            return value;
          }
Tests that when a <code>CacheLoader</code> modifies the callback argument in place, the change
is visible to the <code>CacheWriter</code> even if it is in another VM.
geode-dunit/src/main/java/org/apache/geode/cache30/MultiVMRegionTestCase.java