code: def test_checkcache_with_no_parameter(self):
      linecache.checkcache()
      self.assertNotIn(self.deleted_file, linecache.cache)
      self.assertNotIn(self.modified_file, linecache.cache)
      self.assertIn(self.unchanged_file, linecache.cache)
  
imports: import linecache
  import unittest
  import os.path
  import tempfile
  import tokenize
  from test import support
  from test.support import os_helper
label_desc: Use image node_id 4 for calling the LineCacheInvalidationTests obj's underlying member method code with example usage: obj.test_checkcache_with_no_parameter() without return types