code: def test_global_config():
      """Test global configuration"""
      chart = Line(stroke=False)
      chart.add("1", s1)
      chart.add("2", s2)
      q = chart.render_pyquery()
      assert len(q(".serie-0 .line")) == 0
      assert len(q(".serie-1 .line")) == 0
      assert len(q(".serie-0 .dot")) == 5
      assert len(q(".serie-1 .dot")) == 6
  
imports: from pygal import Line
label_desc: Use image node_id 2 for calling a global function with example usage: test_global_config() without return types