fix setup env scripts

Author: BrianPei

.github/workflows/unit_tests_common.yml

@@ -194,10 +194,10 @@ jobs:
 
             # echo "===== Step 6: Verify Metax Backend ====="
             # # Ensure transformer_engine_torch is correctly loaded
-            python3 - <<'EOF'
-            import transformer_engine_torch as te
-            print("Backend loaded successfully:", te)
-            EOF
+            # python3 - <<'EOF'
+            # import transformer_engine_torch as te
+            # print("Backend loaded successfully:", te)
+            # EOF
 
             echo "===== Step 7: Install TE-FL Plugin Layer ====="
             # Install TransformerEngine-FL Python layer (plugin logic)