code: def test_countTestCases(self):
      test = unittest.FunctionTestCase(lambda: None)
  
      self.assertEqual(test.countTestCases(), 1)
  
file_path: cpython/Lib/test/test_unittest/test_functiontestcase.py
imports: import unittest
  from test.test_unittest.support import LoggingResult
label_desc: Use image node_id 1 for calling the Test_FunctionTestCase obj's underlying member method code with example usage: obj.test_countTestCases() without return types