code: def load_case(self, testcase):
          
          tests = [self.load_test(testcase, name)
                   for name in self.find_test_method_names(testcase)]
          return self.create_suite(tests)
docs: Load a TestSuite containing all TestCase instances for all tests in
          a TestCase subclass.
  
          Parameters
          ----------
          testcase : type
              A subclass of :class:`unittest.TestCase`