fix: apply ruff-format to long assertion line in test_integration.py

Agent-Logs-Url: https://github.com/cpp-linter/cpp-linter-hooks/sessions/34061e6b-161d-43de-b6e2-4f3a3a642f63

Co-authored-by: shenxianpeng <3353385+shenxianpeng@users.noreply.github.com>

Author: Copilot

tests/test_integration.py

@@ -68,7 +68,9 @@ def test_clang_format_style_from_file_reformats(clang_format_workspace):
 
     assert ret == 0
     assert isinstance(output, str)
-    assert test_file.read_bytes() != MAIN_C.read_bytes(), "file should have been reformatted"
+    assert test_file.read_bytes() != MAIN_C.read_bytes(), (
+        "file should have been reformatted"
+    )
 
 
 @pytest.mark.benchmark