diff --git a/src/testdir/test_vim9_class.vim b/src/testdir/test_vim9_class.vim
index b75e58c..81076f8 100644
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -394,9 +394,8 @@
   END
 
   v9.CheckScriptSuccess(class_lines + test_lines)
-  # TODO: this does not work yet
-  #v9.CheckScriptSuccess(
-  #    class_lines + ['def Test()'] + test_lines + ['enddef', 'Test()'])
+  v9.CheckScriptSuccess(
+      class_lines + ['def Test()'] + test_lines + ['enddef', 'Test()'])
 
   for op in ['>', '>=', '<', '<=', '=~', '!~']
     var op_lines = [
@@ -405,9 +404,8 @@
           'echo i1 ' .. op .. ' i2',
           ]
     v9.CheckScriptFailure(class_lines + op_lines, 'E1153: Invalid operation for object')
-    # TODO: this does not work yet
-    #v9.CheckScriptFailure(class_lines
-    #      + ['def Test()'] + op_lines + ['enddef', 'Test()'], 'E99:')
+    v9.CheckScriptFailure(class_lines
+          + ['def Test()'] + op_lines + ['enddef', 'Test()'], 'E1153: Invalid operation for object')
   endfor
 enddef