--- a/mercurial/testing/storage.py	Wed Oct 07 14:26:47 2020 +0530
+++ b/mercurial/testing/storage.py	Sun Oct 18 22:18:02 2020 +0200
@@ -1117,7 +1117,22 @@
             return 0
 
         with self._maketransactionfn() as tr:
-            nodes = f.addgroup([], None, tr, addrevisioncb=cb)
+            nodes = []
+
+            def onchangeset(cl, node):
+                nodes.append(node)
+                cb(cl, node)
+
+            def ondupchangeset(cl, node):
+                nodes.append(node)
+
+            f.addgroup(
+                [],
+                None,
+                tr,
+                addrevisioncb=onchangeset,
+                duplicaterevisioncb=ondupchangeset,
+            )
 
         self.assertEqual(nodes, [])
         self.assertEqual(callbackargs, [])
@@ -1136,7 +1151,22 @@
         ]
 
         with self._maketransactionfn() as tr:
-            nodes = f.addgroup(deltas, linkmapper, tr, addrevisioncb=cb)
+            nodes = []
+
+            def onchangeset(cl, node):
+                nodes.append(node)
+                cb(cl, node)
+
+            def ondupchangeset(cl, node):
+                nodes.append(node)
+
+            f.addgroup(
+                deltas,
+                linkmapper,
+                tr,
+                addrevisioncb=onchangeset,
+                duplicaterevisioncb=ondupchangeset,
+            )
 
         self.assertEqual(
             nodes,
@@ -1175,7 +1205,19 @@
             deltas.append((nodes[i], nullid, nullid, nullid, nullid, delta, 0))
 
         with self._maketransactionfn() as tr:
-            self.assertEqual(f.addgroup(deltas, lambda x: 0, tr), nodes)
+            newnodes = []
+
+            def onchangeset(cl, node):
+                newnodes.append(node)
+
+            f.addgroup(
+                deltas,
+                lambda x: 0,
+                tr,
+                addrevisioncb=onchangeset,
+                duplicaterevisioncb=onchangeset,
+            )
+            self.assertEqual(newnodes, nodes)
 
         self.assertEqual(len(f), len(deltas))
         self.assertEqual(list(f.revs()), [0, 1, 2])