code: def test_skip_case(self):
      f = self._decorate(MockUnitTest.skip_case, 10)
      _should_skip(self, f)
      self.assertEqual(self.unit_test.skip_case_counter, 1)
  
imports: import unittest
  import pytest
  from chainer import testing
  from chainer.testing import condition
label_desc: Use image node_id 5 for calling the TestRetry obj's underlying member method code with example usage: obj.test_skip_case() without return types