test: update test_util.py

Author: shenxianpeng

tests/test_util.py

@@ -25,13 +25,11 @@
 def test_get_version_from_dependency_success():
     """Test get_version_from_dependency with valid pyproject.toml."""
     mock_toml_content = {
-        "build-system": {
-            "requires": [
-                "clang-format==20.1.7",
-                "clang-tidy==20.1.0",
-                "other-package==1.0.0",
-            ]
-        },
+        "dependencies": [
+            "clang-format==20.1.7",
+            "clang-tidy==20.1.0",
+            "other-package==1.0.0",
+        ],
         "project": {},
     }