Update .test/unit/test_versioning.py

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: edwardtfn

.test/unit/test_versioning.py

@@ -625,8 +625,8 @@ def test_version_yaml_can_be_included(self):
 
     def test_version_format_consistency(self):
         """Test VERSION format is consistent across files"""
-        VERSION_FILE = REPO_ROOT / "versioning" / "VERSION"
-        VERSION_YAML_FILE = REPO_ROOT / "versioning" / "VERSION_YAML"
+        version_file = REPO_ROOT / "versioning" / "VERSION"
+        version_yaml_file = REPO_ROOT / "versioning" / "VERSION_YAML"
 
         version = version_file.read_text().strip()