private static void createNoConfiguredRedundancyRegion() {
    PartitionAttributesImpl attributes = getAttributes(0);
    InternalCache cache = Objects.requireNonNull(ClusterStartupRule.getCache());
    cache.createRegionFactory(RegionShortcut.PARTITION).setPartitionAttributes(attributes)
        .create(NO_CONFIGURED_REDUNDANCY_REGION_NAME);
  }
This class borrows very heavily from the RestoreRedundancyCommandDUnitTest
geode-assembly/src/distributedTest/java/org/apache/geode/management/internal/rest/RestoreRedundancyManagementDUnitTest.java