code: def test_legend(self):
      fig = plt.figure(
          FigureClass=Waffle, rows=10, values=[10], labels=["cat1"]
      )
      self.assertEqual(fig.gca().get_legend().texts[0]._text, "cat1")
  
file_path: PyWaffle/tests/test.py
imports: import os
  import unittest
  import matplotlib.pyplot
  from pywaffle.waffle import Waffle
label_desc: Use image node_id 3 for calling the TestWaffle obj's underlying member method code with example usage: obj.test_legend() without return types