diff --git a/services/commtest/tests/backup_performance_test.rs b/services/commtest/tests/backup_performance_test.rs
--- a/services/commtest/tests/backup_performance_test.rs
+++ b/services/commtest/tests/backup_performance_test.rs
@@ -1,3 +1,5 @@
+#[path = "./backup/add_attachments.rs"]
+mod add_attachments;
 #[path = "./backup/backup_utils.rs"]
 mod backup_utils;
 #[path = "./backup/create_new_backup.rs"]
@@ -90,6 +92,7 @@
       }
     });
 
+    // check if backup IDs are properly set
     for (i, item) in backup_data.iter().enumerate() {
       assert!(
         !item.backup_item.id.is_empty(),
@@ -98,6 +101,28 @@
       );
     }
 
+    // ADD ATTACHMENTS - BACKUPS
+    rt.block_on(async {
+      println!("performing ADD ATTACHMENTS - BACKUPS operations");
+      let mut handlers = vec![];
+      for (_, item) in backup_data.iter().enumerate() {
+        let item_cloned = item.clone();
+        let mut client_cloned = client.clone();
+        handlers.push(tokio::spawn(async move {
+          if item_cloned.backup_item.attachments_holders.is_empty() {
+            return ();
+          }
+          add_attachments::run(&mut client_cloned, &item_cloned, None)
+            .await
+            .unwrap();
+        }));
+      }
+
+      for handler in handlers {
+        handler.await.unwrap();
+      }
+    });
+
     // SEND LOG
     // ADD ATTACHMENTS
     // PULL BACKUP