diff --git a/services/commtest/tests/backup/backup_utils.rs b/services/commtest/tests/backup/backup_utils.rs
--- a/services/commtest/tests/backup/backup_utils.rs
+++ b/services/commtest/tests/backup/backup_utils.rs
@@ -36,3 +36,46 @@
   pub backup_item: Item,
   pub log_items: Vec<Item>,
 }
+
+#[allow(dead_code)]
+pub fn compare_backups(backup_data: &BackupData, result: &BackupData) {
+  // check backup size
+  let expected: usize = backup_data.backup_item.chunks_sizes.iter().sum();
+  let from_result: usize = result.backup_item.chunks_sizes.iter().sum();
+  assert_eq!(
+    from_result, expected,
+    "backup sizes do not match, expected {}, got {}",
+    expected, from_result
+  );
+
+  // check backup attachments
+  let expected: usize = backup_data.backup_item.attachments_holders.len();
+  let from_result: usize = result.backup_item.attachments_holders.len();
+  assert_eq!(
+    from_result, expected,
+    "backup: number of attachments holders do not match, expected {}, got {}",
+    expected, from_result
+  );
+
+  // check number of logs
+  let expected: usize = backup_data.log_items.len();
+  let from_result: usize = result.log_items.len();
+  assert_eq!(
+    expected, from_result,
+    "number of logs do not match, expected {}, got {}",
+    expected, from_result
+  );
+
+  // check log sizes
+  for i in 0..backup_data.log_items.len() {
+    let expected: usize = backup_data.log_items[i].chunks_sizes.iter().sum();
+    let from_result: usize = result.log_items[i].chunks_sizes.iter().sum();
+    assert_eq!(
+      from_result, expected,
+      "log number {} sizes do not match, expected {}, got {}",
+      i, expected, from_result
+    );
+  }
+
+  // todo: check logs attachment holders
+}
diff --git a/services/commtest/tests/backup_integration_test.rs b/services/commtest/tests/backup_integration_test.rs
--- a/services/commtest/tests/backup_integration_test.rs
+++ b/services/commtest/tests/backup_integration_test.rs
@@ -83,45 +83,9 @@
     add_attachments::run(&mut client, &backup_data, Some(log_index)).await?;
   }
 
-  let result = pull_backup::run(&mut client, &backup_data).await?;
-
-  // check backup size
-  let expected: usize = backup_data.backup_item.chunks_sizes.iter().sum();
-  let from_result: usize = result.backup_item.chunks_sizes.iter().sum();
-  assert_eq!(
-    from_result, expected,
-    "backup sizes do not match, expected {}, got {}",
-    expected, from_result
-  );
-
-  // check backup attachments
-  let expected: usize = backup_data.backup_item.attachments_holders.len();
-  let from_result: usize = result.backup_item.attachments_holders.len();
-  assert_eq!(
-    from_result, expected,
-    "backup: number of attachments holders do not match, expected {}, got {}",
-    expected, from_result
-  );
+  let result: BackupData = pull_backup::run(&mut client, &backup_data).await?;
 
-  // check number of logs
-  let expected: usize = backup_data.log_items.len();
-  let from_result: usize = result.log_items.len();
-  assert_eq!(
-    expected, from_result,
-    "number of logs do not match, expected {}, got {}",
-    expected, from_result
-  );
-
-  // check log sizes
-  for i in 0..backup_data.log_items.len() {
-    let expected: usize = backup_data.log_items[i].chunks_sizes.iter().sum();
-    let from_result: usize = result.log_items[i].chunks_sizes.iter().sum();
-    assert_eq!(
-      from_result, expected,
-      "log number {} sizes do not match, expected {}, got {}",
-      i, expected, from_result
-    );
-  }
+  backup_utils::compare_backups(&backup_data, &result);
 
   // push so many attachments that the log item's data will have to be moved
   // from the db to the s3