diff --git a/frappe/tests/test_assign.py b/frappe/tests/test_assign.py
index 789e135668..ac96d9daf7 100644
--- a/frappe/tests/test_assign.py
+++ b/frappe/tests/test_assign.py
@@ -16,7 +16,7 @@ class TestAssign(unittest.TestCase):
 			"name": todo.name,
 			"description": todo.description,
 		})
-		self.assertTrue("test@example.com" in added)
-		
+		self.assertTrue("test@example.com" in [d.name for d in added])
+
 		removed = frappe.widgets.form.assign_to.remove(todo.doctype, todo.name, "test@example.com")
-		self.assertTrue("test@example.com" not in removed)
+		self.assertTrue("test@example.com" not in [d.name for d in removed])