add missing fixture to test/unit/enabled_module_test.rb Test fails randomly. <pre> 1) Error: EnabledModuleTest#test_enabling_wiki_should_create_a_wiki: ActiveRecord::RecordInvalid: Validation failed: trackers is invalid, trackers is invalid, trackers is invalid test/unit/enabled_module_test.rb:25:in `test_enabling_wiki_should_create_a_wiki' </pre> It can be reproduced on clean db and following change. <pre> - fixtures :projects, :wikis + fixtures :projects, :trackers, :wikis </pre> git-svn-id: http://svn.redmine.org/redmine/trunk@13571 e93f8b46-1217-0410-a6f0-8f06a7374b81