Fix duplicate test name [#1058 state:resolved] [Dave Rothlisberger, Pratik Naik]

actionpack/test/template/form_helper_test.rb

@@ -463,7 +463,7 @@ def test_nested_fields_for_with_nested_collections
     assert_dom_equal expected, output_buffer
   end
 
-  def test_nested_fields_for_with_index
+  def test_nested_fields_for_with_index_and_parent_fields
     form_for('post', @post, :index => 1) do |c|
       concat c.text_field(:title)
       c.fields_for('comment', @comment, :index => 1) do |r|