Test cleanup.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8475 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/integration/api_test/issues_test.rb

@@ -576,8 +576,4 @@ class ApiTest::IssuesTest < ActionController::IntegrationTest
       assert_nil Issue.find_by_id(6)
     end
   end
-
-  def credentials(user, password=nil)
-    ActionController::HttpAuthentication::Basic.encode_credentials(user, password || user)
-  end
 end