protected PartitionAttributes<?, ?> definePartitionAttributes() {
    return new PartitionAttributesFactory().setRedundantCopies(0).setLocalMaxMemory(10).create();
  }
Tests memory allocation operations on a PartitionedRegion on a single node.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/PRDataStoreMemoryJUnitTest.java