scm: add compatible functional test fof changing diff revisions label at SCM adapter level.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4665 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/functional/repositories_subversion_controller_test.rb

@@ -198,6 +198,8 @@ class RepositoriesSubversionControllerTest < ActionController::TestCase
       get :diff, :id => 1, :rev => 3
       assert_response :success
       assert_template 'diff'
+
+      assert_tag :tag => 'h2', :content => /3/
     end
 
     def test_directory_diff
@@ -209,6 +211,8 @@ class RepositoriesSubversionControllerTest < ActionController::TestCase
       assert_not_nil diff
       # 2 files modified
       assert_equal 2, Redmine::UnifiedDiff.new(diff).size
+
+      assert_tag :tag => 'h2', :content => /2:6/
     end
     
     def test_annotate