assertEquals(3, compaction.getRequest().getFiles().size());
// Override the file list. Granted, overriding this compaction in this manner will
// break things in real world, but we only want to verify the override.
compactUs.remove(sf);
CompactionRequest req = new CompactionRequest(compactUs);
compaction.forceSelect(req);
assertEquals(2, compaction.getRequest().getFiles().size());
assertFalse(compaction.getRequest().getFiles().contains(sf));
// Make sure the correct method it called on compactor.
compaction.compact();
verify(mockCompactor, times(1)).compact(compaction.getRequest(), targetCount, 0L,