@AfterClass
  public static void afterClass() {
    cache.close();
    cache = null;
  }
Unit tests for {@link XmlUtils#addNewNode(Document, XmlEntity)} and
{@link XmlUtils#deleteNode(Document, XmlEntity)}. Simulates the
{@link InternalConfigurationPersistenceService} method of extracting {@link XmlEntity} from the
new
config
and applying it to the current shared config.


@since GemFire 8.1
geode-core/src/integrationTest/java/org/apache/geode/management/internal/configuration/utils/XmlUtilsAddNewNodeJUnitTest.java