@covers PHP_Timer::secondsToTimeString
public function testSecondsToTimeString() {
$this
->assertEquals('0 seconds', PHP_Timer::secondsToTimeString(0));
$this
->assertEquals('1 second', PHP_Timer::secondsToTimeString(1));
$this
->assertEquals('2 seconds', PHP_Timer::secondsToTimeString(2));
$this
->assertEquals('01:00', PHP_Timer::secondsToTimeString(60));
$this
->assertEquals('01:01', PHP_Timer::secondsToTimeString(61));
$this
->assertEquals('02:00', PHP_Timer::secondsToTimeString(120));
$this
->assertEquals('02:01', PHP_Timer::secondsToTimeString(121));
$this
->assertEquals('01:00:00', PHP_Timer::secondsToTimeString(3600));
$this
->assertEquals('01:00:01', PHP_Timer::secondsToTimeString(3601));
}