Enable cluster and replication package debug logging for testSingleIndexShardAllocation test (opensearch-project#11878)

Signed-off-by: Suraj Singh <surajrider@gmail.com>

Author: dreamer-89

server/src/internalClusterTest/java/org/opensearch/indices/replication/SegmentReplicationAllocationIT.java

@@ -22,6 +22,7 @@
 import org.opensearch.indices.replication.common.ReplicationType;
 import org.opensearch.test.InternalTestCluster;
 import org.opensearch.test.OpenSearchIntegTestCase;
+import org.opensearch.test.junit.annotations.TestLogging;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -128,6 +129,7 @@ public void testPerIndexPrimaryAllocation() throws Exception {
      * ensures the primary shard distribution is balanced.
      *
      */
+    @TestLogging(reason = "Enable debug logs from cluster and index replication package", value = "org.opensearch.cluster:DEBUG,org.opensearch.indices.replication:DEBUG")
     public void testSingleIndexShardAllocation() throws Exception {
         internalCluster().startClusterManagerOnlyNode();
         final int maxReplicaCount = 1;