[Misc] Add SPDX-FileCopyrightText (#19100)

Signed-off-by: simon-mo <simon.mo@hey.com>

tests/kernels/moe/test_batched_moe.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from dataclasses import dataclass
 

tests/kernels/moe/test_cutlass_moe.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import dataclasses
 from typing import Optional
 

tests/kernels/moe/test_moe.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 """Tests for the MOE layers.
 
 Run `pytest tests/kernels/test_moe.py`.

tests/kernels/moe/test_moe_permute_unpermute.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 """Tests for the MOE permute/unpermute kernel
 
 Run `pytest tests/kernels/test_moe_permute_unpermute.py`.

tests/kernels/moe/test_nvfp4_moe.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import pytest
 import torch
 

tests/kernels/moe/test_pplx_moe.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 """Tests for the MOE layers.
 
 Run `pytest tests/kernels/test_pplx_moe.py`.

tests/kernels/moe/test_rocm_aiter_topk.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 # This is a test for the AITER ops.
 # It tests if the AITER ops are
 # 1. correctly registered as custom ops

tests/kernels/moe/test_triton_moe_ptpc_fp8.py

@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 # Adapted from https://github.com/sgl-project/sglang/blob/main/test/srt/test_triton_moe_channel_fp8_kernel.py
 import itertools