Add missing file.

Author: rwgk

cuda_core/tests/helpers.py

@@ -0,0 +1,15 @@
+# Copyright 2025 NVIDIA Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+import os
+
+CUDA_PATH = os.environ.get("CUDA_PATH")
+CUDA_INCLUDE_PATH = None
+CCCL_INCLUDE_PATHS = None
+if CUDA_PATH is not None:
+    path = os.path.join(CUDA_PATH, "include")
+    if os.path.isdir(path):
+        CUDA_INCLUDE_PATH = path
+        path = os.path.join(path, "cccl")
+        if os.path.isdir(path):
+            CCCL_INCLUDE_PATHS = (path, CUDA_INCLUDE_PATH)