[Misc] Add SPDX-FileCopyrightText (#19100)

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

tests/models/language/pooling/test_baai.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import pytest
 
 from .embed_utils import EmbedModelInfo, correctness_test_embed_models

tests/models/language/pooling/test_classification.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import pytest
 import torch
 from transformers import AutoModelForSequenceClassification

tests/models/language/pooling/test_embedding.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import pytest
 
 from vllm.config import PoolerConfig

tests/models/language/pooling/test_gritlm.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 from __future__ import annotations
 
 import importlib.util

tests/models/language/pooling/test_gte.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 from typing import Any
 
 import pytest

tests/models/language/pooling/test_jina.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 from functools import partial
 
 import pytest

tests/models/language/pooling/test_nomic.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import pytest
 

tests/models/language/pooling/test_nomic_max_model_len.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 # ruff: noqa: SIM117
 import pytest
 

tests/models/language/pooling/test_scoring.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import pytest
 import torch
 import torch.nn.functional as F

tests/models/language/pooling/test_snowflake_arctic_embed.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import pytest
 

tests/models/language/pooling/test_truncation_control.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import pytest
 
 MODEL_NAME = "sentence-transformers/all-MiniLM-L12-v2"

tests/models/multimodal/generation/test_common.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 """Common tests for testing .generate() functionality for single / multiple
 image, embedding, and video support for different VLMs in vLLM.
 """

tests/models/multimodal/generation/test_florence2.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from typing import Optional
 

tests/models/multimodal/generation/test_granite_speech.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from collections.abc import Sequence
 from typing import Optional

tests/models/multimodal/generation/test_interleaved.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import pytest
 

tests/models/multimodal/generation/test_mllama.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from typing import Optional, overload
 

tests/models/multimodal/generation/test_phi4mm.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import os
 from collections.abc import Sequence

tests/models/multimodal/generation/test_pixtral.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 import json
 from dataclasses import asdict
 from typing import TYPE_CHECKING, Any, Optional

tests/models/multimodal/generation/test_qwen2_vl.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 from typing import Any, Optional, TypedDict, Union
 

tests/models/multimodal/generation/test_ultravox.py

 # SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
 
 import json
 from typing import Any