[Bugfix] Fix broken kernel test due to missing rename for v1 Triton backend (#15282)

Signed-off-by: Isotr0py <2037008807@qq.com>

tests/kernels/test_attention_selector.py

@@ -49,7 +49,7 @@ def test_env(
                        RocmPlatform()):
                 backend = get_attn_backend(16, torch.float16, torch.float16,
                                            16, False)
-            EXPECTED = "ROCM_ATTN_VLLM_V1" if use_v1 else "ROCM_FLASH"
+            EXPECTED = "TRITON_ATTN_VLLM_V1" if use_v1 else "ROCM_FLASH"
             assert backend.get_name() == EXPECTED
         elif device == "openvino":
             with patch("vllm.attention.selector.current_platform",

tests/kernels/test_rocm_attention_selector.py

@@ -26,7 +26,7 @@ def test_selector(monkeypatch: pytest.MonkeyPatch):
         # Test standard ROCm attention
         backend = get_attn_backend(16, torch.float16, torch.float16, 16, False)
         assert (backend.get_name() == "ROCM_FLASH"
-                or backend.get_name() == "ROCM_ATTN_VLLM_V1")
+                or backend.get_name() == "TRITON_ATTN_VLLM_V1")
 
         # mla test for deepseek related
         backend = get_attn_backend(576, torch.bfloat16, "auto", 16, False,