code: def test_write_context_manager_calls_close(self):
      # Close checks for a minimum header and will raise an error
      # if it is not set, so this proves that close is called.
      with self.assertRaises(self.module.Error):
          with self.module.open(TESTFN, "wb"):
              pass
      with self.assertRaises(self.module.Error):
          with open(TESTFN, "wb") as testfile:
              with self.module.open(testfile):
                  pass
  
imports: from test.support import findfile
  from test.support.os_helper import TESTFN, unlink
  import array
  import io
  import pickle
label_desc: Use image node_id 4 for calling the AudioWriteTests obj's underlying member method code with example usage: obj.test_write_context_manager_calls_close() without return types