Method cleanup

python/tests/proton_tests/engine.py:337–342

(self)

        self.c2.open()

    def cleanup(self):
        # release resources created by this class
        super(SessionTest, self).cleanup()
        self.c1 = None
        self.c2 = None
        self.ssn = None

    def tearDown(self):
        self.cleanup()