private static Region<?, ?> getRegion(String regionName) {
    return CacheFactory.getAnyInstance().getRegion(regionName);
  }
Test remove from a region with a zero-length string key (GEODE-2269)
geode-gfsh/src/distributedTest/java/org/apache/geode/management/internal/cli/commands/RemoveCommandDUnitTest.java