def assert_no_output(self, stream):
        """
        Utility assertion: assert that the given stream is empty
        """
        self.assertEquals(len(stream), 0, 
                "Stream should be empty: actually contains '%s'" % stream)

    # global args tests
dataset/ETHPy150Open jcbagneris/fms/tests/startfms_tests.py/LauncherTests.assert_no_output/original