FIX: roll up staff action wasn't working

spec/services/staff_action_logger_spec.rb

@@ -220,4 +220,15 @@ describe StaffActionLogger do
       log_record.details.should == badge.name
     end
   end
+
+  describe 'log_roll_up' do
+    let(:subnets) { ["1.2.3.0/24", "42.42.42.0/24"] }
+    subject(:log_roll_up) { described_class.new(admin).log_roll_up(subnets) }
+
+    it 'creates a new UserHistory record' do
+      log_record = logger.log_roll_up(subnets)
+      log_record.should be_valid
+      log_record.details.should == subnets.join(", ")
+    end
+  end
 end