private Set<DistributedMember> getOtherMembers() {
    Set<DistributedMember> allMembers =
        new HashSet<>(getCache().getDistributionManager().getNormalDistributionManagerIds());
    allMembers.remove(getCache().getDistributionManager().getId());
    return allMembers;
  }
Tests a Distributed Region at Managing Node side while region is created in a member node
asynchronously.
geode-core/src/distributedTest/java/org/apache/geode/management/RegionManagementDUnitTest.java