def METHOD_NAME(self):
    infile = self._create_infile()
    outfile = os_helper.TESTFN + '.out'
    rc, out, err = assert_python_ok('-m', 'json.tool', infile, outfile)
    self.addCleanup(os.remove, outfile)
    with open(outfile, "r", encoding="utf-8") as fp:
        self.assertEqual(fp.read(), self.expect)
    self.assertEqual(rc, 0)
    self.assertEqual(out, b'')
    self.assertEqual(err, b'')