Add missing fixture to JournalObserverTest (#37389).

Patch by Dmitry Makurin.


git-svn-id: https://svn.redmine.org/redmine/trunk@21698 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/journal_observer_test.rb

@@ -23,7 +23,7 @@ class JournalObserverTest < ActiveSupport::TestCase
   fixtures :issues, :issue_statuses, :journals, :journal_details, :projects,
            :projects_trackers, :trackers, :enabled_modules, :enumerations,
            :users, :user_preferences, :email_addresses, :roles, :members, :member_roles,
-           :versions
+           :versions, :issue_categories
 
   def setup
     User.current = nil