diff -r bb0a5beb0ad8 -r dbf676c86244 tests/test-topic-stack.t
--- a/tests/test-topic-stack.t	Fri May 17 17:42:06 2019 +0800
+++ b/tests/test-topic-stack.t	Fri May 17 17:50:25 2019 +0800
@@ -109,6 +109,7 @@
       {
           "desc": "c_f",
           "isentry": true,
+          "node": "6559e6d93aeadba940874f54f106c61931b5b8cf",
           "stack_index": 4,
           "state": [
               "current"
@@ -118,6 +119,7 @@
       {
           "desc": "c_e",
           "isentry": true,
+          "node": "0f9ac936c87d1d991011862aff4e86d0c3300a89",
           "stack_index": 3,
           "state": [
               "clean"
@@ -127,6 +129,7 @@
       {
           "desc": "c_d",
           "isentry": true,
+          "node": "e629654d70505107cca3d12782d9c5a50d8fb9c8",
           "stack_index": 2,
           "state": [
               "clean"
@@ -136,6 +139,7 @@
       {
           "desc": "c_c",
           "isentry": true,
+          "node": "8522f9e3fee92d4ec4e688ac3fbd2ee0f8fd5036",
           "stack_index": 1,
           "state": [
               "clean"
@@ -145,6 +149,7 @@
       {
           "desc": "c_b",
           "isentry": false,
+          "node": "ea705abc4f51e26d356ed94b3443e8c19b76cedf",
           "stack_index": 0,
           "state": [
               "base"
@@ -157,7 +162,7 @@
       {
           "desc": "c_f",
           "isentry": true,
-          "node": "6559e6d93aea",
+          "node": "6559e6d93aeadba940874f54f106c61931b5b8cf",
           "stack_index": 4,
           "state": [
               "current"
@@ -167,7 +172,7 @@
       {
           "desc": "c_e",
           "isentry": true,
-          "node": "0f9ac936c87d",
+          "node": "0f9ac936c87d1d991011862aff4e86d0c3300a89",
           "stack_index": 3,
           "state": [
               "clean"
@@ -177,7 +182,7 @@
       {
           "desc": "c_d",
           "isentry": true,
-          "node": "e629654d7050",
+          "node": "e629654d70505107cca3d12782d9c5a50d8fb9c8",
           "stack_index": 2,
           "state": [
               "clean"
@@ -187,7 +192,7 @@
       {
           "desc": "c_c",
           "isentry": true,
-          "node": "8522f9e3fee9",
+          "node": "8522f9e3fee92d4ec4e688ac3fbd2ee0f8fd5036",
           "stack_index": 1,
           "state": [
               "clean"
@@ -197,7 +202,7 @@
       {
           "desc": "c_b",
           "isentry": false,
-          "node": "ea705abc4f51",
+          "node": "ea705abc4f51e26d356ed94b3443e8c19b76cedf",
           "stack_index": 0,
           "state": [
               "base"