4 files changed, 13 insertions, 11 deletions
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index 4529a5e8d5..8664724b5c 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -3475,13 +3475,16 @@ endfunc
 
 " Test for the reverse() function with a string
 func Test_string_reverse()
-  call assert_equal('', reverse(test_null_string()))
-  for [s1, s2] in [['', ''], ['a', 'a'], ['ab', 'ba'], ['abc', 'cba'],
-        \ ['abcd', 'dcba'], ['«-«-»-»', '»-»-«-«'],
-        \ ['🇦', '🇦'], ['🇦🇧', '🇧🇦'], ['🇦🇧🇨', '🇨🇧🇦'],
-        \ ['🇦«🇧-🇨»🇩', '🇩»🇨-🇧«🇦']]
-    call assert_equal(s2, reverse(s1))
-  endfor
+  let lines =<< trim END
+    call assert_equal('', reverse(test_null_string()))
+    for [s1, s2] in [['', ''], ['a', 'a'], ['ab', 'ba'], ['abc', 'cba'],
+                   \ ['abcd', 'dcba'], ['«-«-»-»', '»-»-«-«'],
+                   \ ['🇦', '🇦'], ['🇦🇧', '🇧🇦'], ['🇦🇧🇨', '🇨🇧🇦'],
+                   \ ['🇦«🇧-🇨»🇩', '🇩»🇨-🇧«🇦']]
+      call assert_equal(s2, reverse(s1))
+    endfor
+  END
+  call v9.CheckLegacyAndVim9Success(lines)
 
   " test in latin1 encoding
   let save_enc = &encoding
diff --git a/src/testdir/test_listdict.vim b/src/testdir/test_listdict.vim
index e29c351f41..877bb80739 100644
--- a/src/testdir/test_listdict.vim
+++ b/src/testdir/test_listdict.vim
@@ -981,7 +981,7 @@ func Test_reverse_sort_uniq()
   END
   call v9.CheckLegacyAndVim9Success(lines)
 
-  call assert_fails('call reverse({})', 'E899:')
+  call assert_fails('call reverse({})', 'E1252:')
   call assert_fails('call uniq([1, 2], {x, y -> []})', 'E745:')
   call assert_fails("call sort([1, 2], function('min'), 1)", "E1206:")
   call assert_fails("call sort([1, 2], function('invalid_func'))", "E700:")
diff --git a/src/testdir/test_method.vim b/src/testdir/test_method.vim
index 2ca66fd77e..120fadecbc 100644
--- a/src/testdir/test_method.vim
+++ b/src/testdir/test_method.vim
@@ -62,7 +62,7 @@ func Test_dict_method()
   call assert_equal(2, d->remove("two"))
   let d.two = 2
   call assert_fails('let x = d->repeat(2)', 'E731:')
-  call assert_fails('let x = d->reverse()', 'E899:')
+  call assert_fails('let x = d->reverse()', 'E1252:')
   call assert_fails('let x = d->sort()', 'E686:')
   call assert_equal("{'one': 1, 'two': 2, 'three': 3}", d->string())
   call assert_equal(v:t_dict, d->type())
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index b8500c5e61..8cf16a2cf6 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -3459,8 +3459,7 @@ def Test_resolve()
 enddef
 
 def Test_reverse()
-  v9.CheckDefAndScriptFailure(['reverse(10)'], ['E1013: Argument 1: type mismatch, expected list<any> but got number', 'E1226: List or Blob required for argument 1'])
-  v9.CheckDefAndScriptFailure(['reverse("abc")'], ['E1013: Argument 1: type mismatch, expected list<any> but got string', 'E1226: List or Blob required for argument 1'])
+  v9.CheckDefAndScriptFailure(['reverse(10)'], ['E1013: Argument 1: type mismatch, expected list<any> but got number', 'E1252: String, List or Blob required for argument 1'])
 enddef
 
 def Test_reverse_return_type()