code: def test_title_should_accept_string(self) -> None:
      plot = bpf.figure(title="Great Title 2")
      plot.line([1, 2, 3], [1, 2, 3])
      assert plot.title.text == "Great Title 2"
  
imports: from __future__ import annotations
  import pytest
  import re
  import pandas
  from bokeh.core.enums import MarkerType
  from bokeh.core.properties import value
  from bokeh.models import BoxZoomTool, Circle, ColumnDataSource, LassoSelectTool, Legend, LinearAxis, LogScale, PanTool, ResetTool, Scatter, Title
  from bokeh.util.warnings import BokehDeprecationWarning
  from bokeh.plotting import _figure
label_desc: Use image node_id 16 for calling the Test_figure obj's underlying member method code with example usage: obj.test_title_should_accept_string() without return types