import sys

from unittest import TestCase

class WriteToStdoutStderrTestCase(TestCase):

    def test_pass(self):

        sys.stderr.write("Write to stderr.")

        sys.stdout.write("Write to stdout.")

        self.assertTrue(True)

    def test_fail(self):

        sys.stderr.write("Write to stderr.")

        sys.stdout.write("Write to stdout.")

        self.assertTrue(False)