How to use test_xmlrunner_check_for_valid_xml_streamout method in unittest-xml-reporting

Best Python code snippet using unittest-xml-reporting_python

testsuite.py

Source:testsuite.py

...272        output = outdir.read()273        firstline = output.splitlines()[0]274        # test for issue #74275        self.assertIn('encoding="UTF-8"'.encode('utf8'), firstline)276    def test_xmlrunner_check_for_valid_xml_streamout(self):277        """278        This test checks if the xml document is valid if there are more than279        one testsuite and the output of the report is a single stream.280        """281        class DummyTestA(unittest.TestCase):282            def test_pass(self):283                pass284        class DummyTestB(unittest.TestCase):285            def test_pass(self):286                pass287        suite = unittest.TestSuite()288        suite.addTest(unittest.TestLoader().loadTestsFromTestCase(DummyTestA))289        suite.addTest(unittest.TestLoader().loadTestsFromTestCase(DummyTestB))290        outdir = BytesIO()...

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