it "rounds times in the third quarter of an hour correctly" do
        event.start_time = event.start_time.change(:hour => 9, :min => 31,
                                                     :sec => 35, :usec => 231)
        event.end_time = event.end_time.change(:hour => 9, :min => 44,
                                                     :sec => 35, :usec => 231)