/**
  * @covers DateUtils::timeDiff
  */
 public function testTimeDiffLess()
 {
     $startTime = 1430403672;
     $end = 1430388542;
     $actual = \DateUtils::timeDiff($startTime, $end);
     $excepted = "-04:12:10";
     $this->assertSame($excepted, $actual);
 }