@Override
    public void afterStoppingCompactor() {
      // compactor destroyed the region and stopped
      afterStoppingCompactor.set(true);
    }
Extracted {@code testCompactorClose} from {@link DiskRegionJUnitTest}.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/DiskRegionCompactorCloseIntegrationTest.java