def test_singleline_1(self):
        """test for correct text in output"""
        output = self.run_command("cowsay Hello, World!", exitcode=0)
        self.assertIn("Hello, World!", output)
        self.assertNotIn("test", output)
        self.assertEqual(output.count("<"), 1)
        self.assertEqual(output.count(">"), 1)
test for correct text in output
tests/misc/test_cowsay.py