Add failing test to label with single wrapper.

The :label_html options is being propagate to the label wrapper

test/form_builder/general_test.rb

@@ -210,6 +210,14 @@ class FormBuilderTest < ActionView::TestCase
     end
   end
 
+  test 'builder should not propagate label options to wrapper with custom wrapper' do
+    swap_wrapper :default, self.custom_wrapper_with_wrapped_label do
+      with_form_for @user, :name, :label_html => { :class => 'my_label' }
+      assert_no_select 'form div.label.my_label'
+      assert_select 'form label.my_label.string'
+    end
+  end
+
   test 'builder should generate a input with label' do
     with_form_for @user, :name
     assert_select 'form label.string[for=user_name]', /Name/

test/support/misc_helpers.rb

@@ -55,6 +55,15 @@ module MiscHelpers
     end
   end
 
+  def custom_wrapper_with_wrapped_label
+    SimpleForm.build :tag => :div, :class => "custom_wrapper" do |b|
+      b.wrapper :tag => :div, :class => 'elem' do |component|
+        component.use :label, :wrap_with => { :tag => :div, :class => 'label' }
+        component.use :input
+      end
+    end
+  end
+
   def custom_wrapper_without_top_level
     SimpleForm.build :tag => false, :class => 'custom_wrapper_without_top_level' do |b|
       b.use :label_input