Add sgl-kernel CI test for Blackwell (B200) (#13301)

sgl-kernel/README.md

@@ -9,7 +9,7 @@
 
 </div>
 
-SGL Kernel provides optimized compute primitives for the SGLang framework, enabling efficient inference for large language models and vision-language models through custom kernels for operations.
+SGL Kernel provides optimized compute primitives for the SGLang framework, enabling efficient inference for large language models and vision-language models through custom kernel operations.
 
 ## Installation
 Requires torch == 2.8.0

sgl-kernel/tests/conftest.py

@@ -2,7 +2,7 @@ import pytest
 import torch
 
 
-# This ensures the torch defaults don't get left in modified states between
+# This fixture ensures the torch defaults don't get left in modified states between
 # tests (e.g., when a test fails before restoring the original value), which
 # can cause subsequent tests to fail.
 @pytest.fixture(autouse=True)