add

tests/functional_tests/test_cases/t5/t5_220m_nightly_dgx_a100_1N8G_mcore_te_tp1_pp1_vp1_resume_torch/model_config.yaml

@@ -51,4 +51,5 @@ MODEL_ARGS:
   --deterministic-mode: true
   --attention-softmax-in-fp32: true
   --ckpt-format: torch
+  --attention-backend: unfused
 TEST_TYPE: ckpt-resume

tests/functional_tests/test_cases/t5/t5_220m_nightly_dgx_a100_1N8G_mcore_te_tp2_pp1_vp1/model_config.yaml

@@ -51,4 +51,5 @@ MODEL_ARGS:
   --deterministic-mode: true
   --attention-softmax-in-fp32: true
   --ckpt-format: torch
+  --attention-backend: unfused
 TEST_TYPE: regular

tests/functional_tests/test_cases/t5/t5_220m_nightly_dgx_a100_1N8G_mcore_te_tp2_pp1_vp1_sequence_parallel/model_config.yaml

@@ -52,4 +52,5 @@ MODEL_ARGS:
   --deterministic-mode: true
   --attention-softmax-in-fp32: true
   --ckpt-format: torch
+  --attention-backend: unfused
 TEST_TYPE: regular