public function testBefore()
 {
     $time = new MultiZeit("129:18:33");
     $after = new MultiZeit("129:18:34");
     $this->assertTrue($time->before($after));
     $this->assertTrue($time->beforeOrSame($after));
     $after = new MultiZeit("129:18:33");
     $this->assertFalse($time->before($after));
     $this->assertTrue($time->beforeOrSame($after));
     $before = new MultiZeit("129:18:32");
     $this->assertFalse($time->before($before));
     $this->assertFalse($time->beforeOrSame($before));
 }