code: def test_text_plot(self):
      text = Text(0, 0, "Test")
      plot = bokeh_renderer.get_plot(text)
      source = plot.handles["source"]
      self.assertEqual(
          source.data, {"x": [0], "y": [0], "text": ["Test"]}
      )
  
imports: import unittest
  import numpy
  import holoviews
  from holoviews.element import Arrow, HLine, HLines, HSpan, HSpans, Labels, Slope, Text, VLine, VLines, VSpan, VSpans
  from holoviews.plotting.bokeh.util import bokeh32, bokeh33
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 1 for calling the TestTextPlot obj's underlying member method code with example usage: obj.test_text_plot() without return types