Fix utils import issue for nightly tests (#13944)

test/nightly/test_lora_radix_cache.py

@@ -13,10 +13,17 @@
 # ==============================================================================
 
 import multiprocessing as mp
+import sys
 import unittest
+from pathlib import Path
 
 import torch
-from utils import CI_MULTI_LORA_MODELS, run_lora_test_one_by_one
+
+# Add test directory to path for lora_utils import
+# TODO: can be removed after migration
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
+
+from lora_utils import CI_MULTI_LORA_MODELS, run_lora_test_one_by_one
 
 from sglang.test.ci.ci_register import register_cuda_ci