Rails3: scm: cvs: fix error of test_cat at unit model test

On Rails 3.1, ActiveRecord::HasManyThroughCantAssociateThroughHasOneOrManyReflection error raises.
For more details, see r7062.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7136 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/repository_cvs_test.rb

@@ -122,8 +122,10 @@ class RepositoryCvsTest < ActiveSupport::TestCase
     end
 
     def test_cat
+      assert_equal 0, @repository.changesets.count
       @repository.fetch_changesets
-      @repository.reload
+      @project.reload
+      assert_equal CHANGESETS_NUM, @repository.changesets.count
       buf = @repository.cat('README')
       assert buf
       lines = buf.split("\n")