not_working_test.rb

      should "stop a TT correctly" do
        assert_difference 'TimeTracker.count', -1 do
          get :stop, {}, {"HTTP_REFERER" => "where_i_came_from"}
        end
      end

time_trackers.yml

one:
  id: 1
  user_id: 2
  started_on: 2012-10-25 11:47:03
  comments: original comment
  project_id: 1
  issue_id: 1
  round: false
two:
  id: 2
  user_id: 3
  started_on: 2012-10-25 11:47:03 +0
  comments: original comment
  project_id: 1
  issue_id: 1
  round: false

working_test.rb

      should "stop a TT correctly" do
        TimeTracker.delete_all
        get :start
        assert_equal(1, TimeTracker.count, "TimeTracker.count is 1")
        tt = TimeTracker.first
        assert_equal(2, tt.user_id, "user_id = 2")
        assert_difference 'TimeTracker.count', -1 do
          get :stop
        end
      end