Method cleanup

python/tests/proton_tests/engine.py:2080–2084

(self)

        self.c1, self.c2 = self.connection()

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

    def tearDown(self):
        self.cleanup()