Index: test/guardianship.test.js
===================================================================
--- test/guardianship.test.js	(revision 3ffbeddc44bcbd1ab3c2faedd568f639623bd203)
+++ test/guardianship.test.js	(revision c6185fa8bf0039de95fa1be9afb9804d70c203af)
@@ -67,4 +67,7 @@
   assert.deepEqual(G.listGuardians('kid').map((g) => g.other_uri), [ME]);
   assert.deepEqual(G.listWards('parent').map((w) => w.other_uri), [KID]);
+  // other_handle is the display @handle (not the escalation inbox handle).
+  assert.equal(G.listGuardians('kid')[0].other_handle, '@parent@test.example');
+  assert.equal(G.listWards('parent')[0].other_handle, '@kid@test.example');
 
   // The ward actor now names its guardian; parent reads as guardian (§2).