Get rid of sort_helper when using queries.

git-svn-id: http://svn.redmine.org/redmine/trunk@16390 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/helpers/sort_helper_test.rb

@@ -64,8 +64,8 @@ class SortHelperTest < Redmine::HelperTest
     sort_init 'attr1', 'desc'
     sort_update({'attr1' => 'table1.attr1', 'attr2' => 'table2.attr2'})
 
-    assert_equal ['table1.attr1 DESC'], sort_clause
-    assert_equal 'attr1:desc', @session['foo_bar_sort']
+    assert_nil sort_clause
+    assert_equal 'invalid_key', @session['foo_bar_sort']
   end
 
   def test_invalid_order_params_sort