revert previous test changes

Author: guchenhe

docs.json

@@ -59,11 +59,7 @@
                             "en/documentation/pages/nodes/variable-assigner",
                             "en/documentation/pages/nodes/parameter-extractor",
                             "en/documentation/pages/nodes/http-request",
-                            "en/documentation/pages/nodes/list-operator",
-                            "en/documentation/pages/nodes/test-rename-delta",
-                            "en/documentation/pages/nodes/test-final-step3",
-                            "en/documentation/pages/nodes/rename-test-gamma",
-                            "en/documentation/pages/nodes/validation-v3"
+                            "en/documentation/pages/nodes/list-operator"
                           ]
                         },
                         {