HBASE-29907 Stress test to reproduce cell ordering violation

[droudnitsky]

https://issues.apache.org/jira/browse/HBASE-29907

 * This test creates multiple StoreFiles with ROWCOL bloom filters and small
 * block sizes, then runs concurrent scans while a background thread continuously
 * writes, flushes, and triggers minor compactions. The combination of bloom filter
 * fake cell optimization, multiple StoreFiles, and concurrent flush/scan interleaving
 * triggers the backward jump that the buggy check fails to catch.

[droudnitsky]

Exception was successfully reproduced in this test run -

[ERROR]   Run 3: TestCellOrderingViolation.testStressConcurrentCompactionWithLargeRows:350 Cell ordering violation detected during stress test: org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=3, exceptions:
2026-02-18T15:47:46.319Z, java.io.IOException: java.io.IOException: Key row00001/d:q40/500/Put/vlen=7/seqid=2417 followed by a smaller key row00001/d:q30/1001/DeleteColumn/vlen=0/seqid=5240 in cf c194e677a5c1c87ebc58b076d6343f0d/d
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:528)
	at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:124)
	at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:102)
	at org.apache.hadoop.hbase.ipc.RpcHandler.run(RpcHandler.java:82)
Caused by: java.lang.AssertionError: Key row00001/d:q40/500/Put/vlen=7/seqid=2417 followed by a smaller key row00001/d:q30/1001/DeleteColumn/vlen=0/seqid=5240 in cf c194e677a5c1c87ebc58b076d6343f0d/d
	at org.apache.hadoop.hbase.regionserver.StoreScanner.checkScanOrder(StoreScanner.java:1117)
	at org.apache.hadoop.hbase.regionserver.StoreScanner.next(StoreScanner.java:630)
	at org.apache.hadoop.hbase.regionserver.KeyValueHeap.next(KeyValueHeap.java:153)
	at org.apache.hadoop.hbase.regionserver.RegionScannerImpl.populateResult(RegionScannerImpl.java:348)
	at org.apache.hadoop.hbase.regionserver.RegionScannerImpl.nextInternal(RegionScannerImpl.java:520)
	at org.apache.hadoop.hbase.regionserver.RegionScannerImpl.nextRaw(RegionScannerImpl.java:285)
	at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3433)
	at org.apache.hadoop.hbase.regionserver.RSRpcServices.scan(RSRpcServices.java:3706)
	at org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:45423)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:461)
	... 3 more