fix unit test

Signed-off-by: Anna Shors <ashors@nvidia.com>

Author: ashors1

tests/unit/algorithms/test_sequence_packing_gradients.py

@@ -344,6 +344,7 @@ def __exit__(self, exc_type, exc_val, exc_tb):
                 },
                 seq_length_key="input_lengths",
                 pad_individual_seqs_to_multiple_of=pad_to_multiple,
+                pad_packed_seq_to_multiple_of=1,
                 pad_full_seq_to=max_seq_len * batch_size if cp_size > 1 else None,
             ),
             model=MockModel(),