RichEditor not using custom validation message provided.

  RichEditor::make('comment')
                    ->validationMessages([
                        'required' => 'TEST'
                    ])
                    ->label('Comment')
                    ->columnSpanFull()
                    ->toolbarButtons([
                        ['bold', 'italic', 'underline', 'strike'],
                        ['h2', 'h3', 'alignStart', 'alignCenter', 'alignEnd'],
                        ['undo', 'redo'],
                    ])
                    ->required(),