add order when listing records in test (#5813)

# Description
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**Type of change**
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- Bug fix (non-breaking change which fixes an issue)

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argilla-server/tests/unit/contexts/hub/test_hub_dataset.py

@@ -471,7 +471,7 @@ async def test_hub_dataset_import_to_idempotency_without_external_id(
         await hub_dataset.import_to(db, mock_search_engine, dataset)
         assert (await db.execute(select(func.count(Record.id)))).scalar_one() == 5
 
-        records = (await db.execute(select(Record))).scalars().all()
+        records = (await db.execute(select(Record).order_by(Record.inserted_at.asc()))).scalars().all()
         assert [record.external_id for record in records] == ["train_0", "train_1", "train_2", "train_3", "train_4"]
 
     async def test_hub_dataset_import_to_idempotency_without_external_id_and_multiple_splits(