code: def test_misc(self):
      shell = MockShell()
      f = PseudoOutputFile(shell, "stdout", "utf-8")
      self.assertIsInstance(f, io.TextIOBase)
      self.assertEqual(f.encoding, "utf-8")
      self.assertIsNone(f.errors)
      self.assertIsNone(f.newlines)
      self.assertEqual(f.name, "<stdout>")
      self.assertFalse(f.closed)
      self.assertTrue(f.isatty())
      self.assertFalse(f.readable())
      self.assertTrue(f.writable())
      self.assertFalse(f.seekable())
  
imports: import unittest
  import io
  from idlelib.PyShell import PseudoInputFile, PseudoOutputFile
  from test import test_support
label_desc: Use image node_id 1 for calling the PseudeOutputFilesTest obj's underlying member method code with example usage: obj.test_misc() without return types