BucketRedundancyTracker { int getCurrentRedundancy() { return currentRedundancy; } BucketRedundancyTracker(int redundantCopies,
      PartitionedRegionRedundancyTracker regionRedundancyTracker);   }
@Test public void bucketCountNotDecrementedOnClosingBucketThatNeverHadCopies() { verify(regionRedundancyTracker, never()).decrementLowRedundancyBucketCount(); assertEquals(-1, bucketRedundancyTracker.getCurrentRedundancy()); }