code: def test_labels_text_color_cycle(self):
      hm = HoloMap(
          {
              i: Labels([(0, 0 + i, "Label 1"), (1, 1 + i, "Label 2")])
              for i in range(3)
          }
      ).overlay()
      assert isinstance(hm[0].opts["text_color"], Cycle)
  
imports: import numpy
  from bokeh.models import CategoricalColorMapper, LinearColorMapper
  from holoviews.core.dimension import Dimension
  from holoviews.core.options import Cycle
  from holoviews.core.spaces import HoloMap
  from holoviews.element import Labels
  from holoviews.plotting.bokeh.util import property_to_dict
  from ..utils import ParamLogStream
  from .test_plot import TestBokehPlot, bokeh_renderer
label_desc: Use image node_id 15 for calling the TestLabelsPlot obj's underlying member method code with example usage: obj.test_labels_text_color_cycle() without return types