code: def test_error():
      with pytest.raises(ValueError):
          Rule(characters="")
  
file_path: rich/tests/test_rule.py
imports: import io
  import pytest
  from rich.console import Console
  from rich.rule import Rule
  from rich.text import Text
label_desc: Use image node_id 11 for calling a global function with example usage: test_error() without return types