Fix UT failures after HBASE-27632 goes in

2023-03-13T04:16:20,762 ERROR [RS_REFRESH_PEER-regionserver/df65750736d7:0-0.replicationSource,2.replicationSource.wal-reader.df65750736d7%2C35391%2C1678680878451,2] regionserver.HRegionServer(2747): ***** ABORTING region server df65750736d7,35391,1678680878451: Unexpected exception in RS_REFRESH_PEER-regionserver/df65750736d7:0-0.replicationSource,2.replicationSource.wal-reader.df65750736d7%2C35391%2C1678680878451,2 *****
java.lang.NullPointerException: null
at org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceWALReader.switched(ReplicationSourceWALReader.java:224) ~[classes/:?]
at org.apache.hadoop.hbase.replication.regionserver.SerialReplicationSourceWALReader.readWALEntries(SerialReplicationSourceWALReader.java:114) ~[classes/:?]
at org.apache.hadoop.hbase.replication.regionserver.ReplicationSourceWALReader.run(ReplicationSourceWALReader.java:178) ~[classes/:?]
at org.apache.hadoop.hbase.replication.regionserver.SerialReplicationSourceWALReader.run(SerialReplicationSourceWALReader.java:35) ~[classes/:?]

java.io.EOFException: EOF while reading message size
	at org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil.parseDelimitedFrom(ProtobufUtil.java:3730)
	at org.apache.hadoop.hbase.regionserver.wal.ProtobufWALStreamReader.next(ProtobufWALStreamReader.java:56)
	at org.apache.hadoop.hbase.wal.WALStreamReader.next(WALStreamReader.java:42)
	at org.apache.hadoop.hbase.wal.TestWALOpenAfterDNRollingStart.test(TestWALOpenAfterDNRollingStart.java:126)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.apache.hadoop.hbase.SystemExitRule$1.evaluate(SystemExitRule.java:39)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:299)
	at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:293)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.lang.Thread.run(Thread.java:829)