Update on "CI test for lora"

Add CI test for LoRA: note, not program-data separated yet.

Differential Revision: [D78751767](https://our.internmc.facebook.com/intern/diff/D78751767/)

[ghstack-poisoned]

Author: lucylq

.github/workflows/pull.yml

@@ -684,9 +684,6 @@ jobs:
         # install llama requirements
         bash examples/models/llama/install_requirements.sh
 
-        # install a recent version of torchtune.
-        PYTHON_EXECUTABLE=python python -m pip install torchtune==0.7.0.dev20250730  --extra-index-url https://download.pytorch.org/whl/nightly/cpu
-
         # run llama runner in eager mode
         PYTHON_EXECUTABLE=python bash .ci/scripts/test_llama_runner_eager.sh
 
@@ -714,6 +711,9 @@ jobs:
         # Install llama requirements
         bash examples/models/llama/install_requirements.sh
 
+        # install a recent version of torchtune.
+        PYTHON_EXECUTABLE=python python -m pip install torchtune==0.7.0.dev20250730  --extra-index-url https://download.pytorch.org/whl/nightly/cpu
+
         # run llama runner in eager mode
         PYTHON_EXECUTABLE=python bash .ci/scripts/test_llama_lora.sh