Potential fix for pull request finding 'Unused local variable'

Co-authored-by: Copilot Autofix powered by AI <223894421+github-code-quality[bot]@users.noreply.github.com>

Author: wdconinc

tests/python/test_database.py

@@ -14,7 +14,7 @@ def test_database_constructor_with_connection_string(mock_connection_string):
     # This will throw a RuntimeError since we can't connect to a real database
     # We're testing that the constructor accepts the string and attempts connection
     with pytest.raises(RuntimeError):
-        db = mollerdb.Database(mock_connection_string)
+        mollerdb.Database(mock_connection_string)
 
 
 def test_database_constructor_with_invalid_connection(invalid_connection_string):