HBASE-30188 Upgrade hbase-server to use junit5 Part20

[Apache9]

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[Copilot]

Pull request overview

This PR continues the HBASE-30188 migration of hbase-server replication-related tests from JUnit 4 to JUnit 5, while splitting shared test logic into reusable base classes for endpoint and region-server kill variants.

Changes:

• Replaces JUnit 4 lifecycle/assertion/category APIs with JUnit Jupiter APIs and @Tag.
• Extracts replication endpoint and kill-RS test logic into shared base classes with thin concrete subclasses.
• Updates multi-WAL and replication master tests to align with the JUnit 5 migration.

Reviewed changes

Copilot reviewed 22 out of 22 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
TestReplicationSyncUpToolWithBulkLoadedData.java	Migrates sync-up bulk-load test assertions/tags to JUnit 5.
TestReplicationSyncUpToolBase.java	Converts setup/teardown lifecycle hooks to JUnit 5.
TestReplicationSyncUpTool.java	Migrates sync-up tool tests and assertions to JUnit 5.
TestReplicationKillSlaveRSWithSeparateOldWALs.java	Rewires separate-old-WAL slave kill test to new base.
TestReplicationKillSlaveRS.java	Converts concrete slave kill test to JUnit 5 subclass.
TestReplicationKillMasterRSWithSeparateOldWALs.java	Rewires separate-old-WAL master kill test to new base.
TestReplicationKillMasterRSCompressed.java	Converts compressed master kill variant to JUnit 5 setup.
TestReplicationKillMasterRS.java	Converts concrete master kill test to JUnit 5 subclass.
TestReplicationEndpoint.java	Reduces endpoint test to tagged JUnit 5 subclass.
ReplicationKillSlaveRSTestBase.java	Adds shared slave-RS kill test method.
ReplicationKillRSTestBase.java	Renames/refactors common kill-RS logic for JUnit 5 bases.
ReplicationKillMasterRSTestBase.java	Adds shared master-RS kill test method.
ReplicationEndpointTestBase.java	Adds shared endpoint tests, helpers, and endpoint implementations.
multiwal/TestReplicationSyncUpToolWithMultipleWAL.java	Migrates multi-WAL sync-up variant tags to JUnit 5.
multiwal/TestReplicationSyncUpToolWithMultipleAsyncWAL.java	Migrates async multi-WAL sync-up variant tags to JUnit 5.
multiwal/TestReplicationKillMasterRSCompressedWithMultipleWAL.java	Recreates compressed multi-WAL setup on new base.
multiwal/TestReplicationKillMasterRSCompressedWithMultipleAsyncWAL.java	Recreates compressed async multi-WAL setup on new base.
multiwal/TestReplicationEndpointWithMultipleWAL.java	Rewires endpoint multi-WAL variant to new base.
multiwal/TestReplicationEndpointWithMultipleAsyncWAL.java	Rewires endpoint async multi-WAL variant to new base.
master/TestReplicationLogCleaner.java	Migrates log cleaner test lifecycle/assertions/tags to JUnit 5.
master/TestRecoverStandbyProcedure.java	Migrates standby recovery procedure test lifecycle/assertions/tags.
master/TestLogCleanerBarrier.java	Migrates log cleaner barrier test to JUnit 5.

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