3 files changed, 12 insertions, 9 deletions
diff --git a/test/old/testdir/test_functions.vim b/test/old/testdir/test_functions.vim
index dbd1119350..4ad01c8531 100644
--- a/test/old/testdir/test_functions.vim
+++ b/test/old/testdir/test_functions.vim
@@ -3150,13 +3150,16 @@ endfunc
 
 " Test for the reverse() function with a string
 func Test_string_reverse()
-  call assert_equal('', reverse(v:_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(v:_null_string))
+    for [s1, s2] in [['', ''], ['a', 'a'], ['ab', 'ba'], ['abc', 'cba'],
+                   \ ['abcd', 'dcba'], ['«-«-»-»', '»-»-«-«'],
+                   \ ['🇦', '🇦'], ['🇦🇧', '🇧🇦'], ['🇦🇧🇨', '🇨🇧🇦'],
+                   \ ['🇦«🇧-🇨»🇩', '🇩»🇨-🇧«🇦']]
+      call assert_equal(s2, reverse(s1))
+    endfor
+  END
+  call CheckLegacyAndVim9Success(lines)
 
   " test in latin1 encoding
   let save_enc = &encoding
diff --git a/test/old/testdir/test_listdict.vim b/test/old/testdir/test_listdict.vim
index 3677125d68..0918e2cd98 100644
--- a/test/old/testdir/test_listdict.vim
+++ b/test/old/testdir/test_listdict.vim
@@ -894,7 +894,7 @@ func Test_reverse_sort_uniq()
   END
   call 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/test/old/testdir/test_method.vim b/test/old/testdir/test_method.vim
index ca3b736429..88dbbd7bf4 100644
--- a/test/old/testdir/test_method.vim
+++ b/test/old/testdir/test_method.vim
@@ -63,7 +63,7 @@ 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())