diff --git a/testsuite/tests/typing-modal-kinds/basics.ml b/testsuite/tests/typing-modal-kinds/basics.ml
index 2b597146c75..1c4d099fa63 100644
--- a/testsuite/tests/typing-modal-kinds/basics.ml
+++ b/testsuite/tests/typing-modal-kinds/basics.ml
@@ -280,22 +280,14 @@ val int_duplicate : int = 5
 
 let string_list_duplicate = let once_ x : string list = ["hi";"bye"] in Fun.id x
 
-(* CR layouts v2.8: this should succeed *)
 [%%expect{|
-Line 1, characters 79-80:
-1 | let string_list_duplicate = let once_ x : string list = ["hi";"bye"] in Fun.id x
-                                                                                   ^
-Error: This value is "once" but expected to be "many".
+val string_list_duplicate : string list = ["hi"; "bye"]
 |}]
 
 let int_list_duplicate = let once_ x : int list = [4;5] in Fun.id x
 
-(* CR layouts v2.8: this should succeed *)
 [%%expect{|
-Line 1, characters 66-67:
-1 | let int_list_duplicate = let once_ x : int list = [4;5] in Fun.id x
-                                                                      ^
-Error: This value is "once" but expected to be "many".
+val int_list_duplicate : int list = [4; 5]
 |}]
 
 let hidden_string_duplicate =
@@ -332,12 +324,8 @@ let hidden_int_list_duplicate =
     [Hidden_int.hide 2; Hidden_int.hide 3]
   in Fun.id x
 
-(* CR layouts v2.8: this should succeed *)
 [%%expect{|
-Line 4, characters 12-13:
-4 |   in Fun.id x
-                ^
-Error: This value is "once" but expected to be "many".
+val hidden_int_list_duplicate : Hidden_int.t list = [<abstr>; <abstr>]
 |}]
 
 let float_duplicate = let once_ x : float = 3.14 in Fun.id x
@@ -375,23 +363,15 @@ val hidden_int64_u_duplicate : unit -> Hidden_int64_u.t = <fun>
 let float_u_record_duplicate =
   let once_ x : float_u_record = { x = #3.14; y = #2.718 } in Fun.id x
 
-(* CR layouts v2.8: this should succeed *)
 [%%expect{|
-Line 2, characters 69-70:
-2 |   let once_ x : float_u_record = { x = #3.14; y = #2.718 } in Fun.id x
-                                                                         ^
-Error: This value is "once" but expected to be "many".
+val float_u_record_duplicate : float_u_record = {x = <abstr>; y = <abstr>}
 |}]
 
 let float_u_record_list_duplicate =
   let once_ x : float_u_record list = [] in Fun.id x
 
-(* CR layouts v2.8: this should succeed *)
 [%%expect{|
-Line 2, characters 51-52:
-2 |   let once_ x : float_u_record list = [] in Fun.id x
-                                                       ^
-Error: This value is "once" but expected to be "many".
+val float_u_record_list_duplicate : float_u_record list = []
 |}]
 
 let function_duplicate = let once_ x : int -> int = fun y -> y in Fun.id x
diff --git a/testsuite/tests/typing-modal-kinds/expected_mode.ml b/testsuite/tests/typing-modal-kinds/expected_mode.ml
index b6a43567333..24c5edc3442 100644
--- a/testsuite/tests/typing-modal-kinds/expected_mode.ml
+++ b/testsuite/tests/typing-modal-kinds/expected_mode.ml
@@ -222,10 +222,7 @@ Error: This value is "once" but expected to be "many".
 let int_list_duplicate : once_ _ -> int list = fun x -> x
 
 [%%expect{|
-Line 1, characters 56-57:
-1 | let int_list_duplicate : once_ _ -> int list = fun x -> x
-                                                            ^
-Error: This value is "once" but expected to be "many".
+val int_list_duplicate : int list @ once -> int list = <fun>
 |}]
 
 let hidden_string_duplicate : once_ _ -> Hidden_string.t =
@@ -268,10 +265,8 @@ let float_u_record_duplicate : once_ _ -> float_u_record =
   fun x -> x
 
 [%%expect{|
-Line 2, characters 11-12:
-2 |   fun x -> x
-               ^
-Error: This value is "once" but expected to be "many".
+val float_u_record_duplicate : float_u_record @ once -> float_u_record =
+  <fun>
 |}]
 
 let float_u_record_list_duplicate :
@@ -279,10 +274,8 @@ let float_u_record_list_duplicate :
   fun x -> x
 
 [%%expect{|
-Line 3, characters 11-12:
-3 |   fun x -> x
-               ^
-Error: This value is "once" but expected to be "many".
+val float_u_record_list_duplicate :
+  float_u_record list @ once -> float_u_record list = <fun>
 |}]
 
 let function_duplicate : once_ _ -> (int -> int) = fun x -> x