make sure current_user is an admin when running tests

git-svn-id: https://dev.finn.de/svn/cockpit/trunk@185 7926756e-e54e-46e6-9721-ed318f58905e

spec/models/cost_entry_spec.rb

@@ -1,6 +1,10 @@
 require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
 
 describe CostEntry do
+  
+  before do
+    User.current = users("admin")
+  end
 
   fixtures :users
   fixtures :cost_types