code: def test_setup_class(self):
      class Test(unittest.TestCase):
          setUpCalled = 0
  
          @classmethod
          def setUpClass(cls):
              Test.setUpCalled += 1
              unittest.TestCase.setUpClass()
  
          def test_one(self):
              pass
  
          def test_two(self):
              pass
  
      result = self.runTests(Test)
  
      self.assertEqual(Test.setUpCalled, 1)
      self.assertEqual(result.testsRun, 2)
      self.assertEqual(len(result.errors), 0)
  
imports: import io
  import sys
  import unittest
label_desc: Use image node_id 3 for calling the TestSetups obj's underlying member method code with example usage: obj.test_setup_class() without return types