code: def testColoringTwoCrossroads(self):
      self.templateTestColoring(
          GRAPH_SIMPLE_SAMPLES.GRAPH_TWO_CROSSROADS, 1.2, 1.8, 1500, 15
      )
  
file_path: pyclustering/pyclustering/gcolor/tests/ut_hysteresis.py
imports: import unittest
  from pyclustering.gcolor.hysteresis import hysteresisgcolor
  from pyclustering.utils.graph import read_graph
  from pyclustering.samples.definitions import GRAPH_SIMPLE_SAMPLES
label_desc: Use image node_id 7 for calling the Test obj's underlying member method code with example usage: obj.testColoringTwoCrossroads() without return types