Fix testResyncAfterPrimaryPromotion (#52615)

Adjusts the assertion as we might eagerly clean up translog during resync since #52556

Relates #52556
Closes #52598

server/src/test/java/org/elasticsearch/index/replication/RecoveryDuringReplicationTests.java

@@ -74,6 +74,7 @@
 import java.util.stream.Collectors;
 
 import static org.hamcrest.Matchers.anyOf;
+import static org.hamcrest.Matchers.either;
 import static org.hamcrest.Matchers.empty;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.everyItem;
@@ -309,9 +310,7 @@ public void testReplicaRollbackStaleDocumentsInPeerRecovery() throws Exception {
         }
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/52598")
     public void testResyncAfterPrimaryPromotion() throws Exception {
-        // TODO: check translog trimming functionality once rollback is implemented in Lucene (ES trimming is done)
         String mappings = "{ \"_doc\": { \"properties\": { \"f\": { \"type\": \"keyword\"} }}}";
         try (ReplicationGroup shards = new ReplicationGroup(buildIndexMetaData(2, mappings))) {
             shards.startAll();
@@ -378,7 +377,7 @@ public void testResyncAfterPrimaryPromotion() throws Exception {
                     assertThat(source.source.utf8ToString(), is("{ \"f\": \"normal\"}"));
                 }
             }
-            assertThat(translogOperations, is(initialDocs + extraDocs));
+            assertThat(translogOperations, either(equalTo(initialDocs + extraDocs)).or(equalTo(task.getResyncedOperations())));
         }
     }