L2SS-465: Avoid walking the node tree in mocks.

tangostationcontrol/tangostationcontrol/test/clients/test_opcua_client.py

@@ -108,7 +108,7 @@ class TestOPCua(base.AsyncTestCase):
                 m_attribute = mock_attr(i.numpy_type, dim_x, dim_y)
 
                 # pretend like there is a running OPCua server with a node that has this name
-                m_annotation = ["2:PCC", f"2:testNode_{str(i.numpy_type)}_{str(dim_x)}_{str(dim_y)}"]
+                m_annotation = [f"2:testNode_{str(i.numpy_type)}_{str(dim_x)}_{str(dim_y)}"]
 
                 test_client = OPCUAConnection("opc.tcp://localhost:4874/freeopcua/server/", "http://lofar.eu", 5, mock.Mock(), self.loop)
                 try: