PhpBench\Model\Variant::setException PHP Method

    public function setException(\Exception $exception)
    {
        $errors = [];
        do {
            $errors[] = Error::fromException($exception);
        } while ($exception = $exception->getPrevious());
        $this->errorStack = new ErrorStack($this, $errors);
    }

 /**
  * It should throw an exception if getStats is called when an exception has been set.
  *
  * @expectedException RuntimeException
  * @expectedExceptionMessage Cannot retrieve stats when an exception
  */
 public function testGetStatsWithExceptionException()
 {
     $variant = new Variant($this->subject->reveal(), $this->parameterSet->reveal(), 4, 20);
     $this->subject->getRetryThreshold()->willReturn(10);
     $variant->createIteration(TestUtil::createResults(4, 10));
     $variant->createIteration(TestUtil::createResults(4, 10));
     $variant->createIteration(TestUtil::createResults(4, 10));
     $variant->createIteration(TestUtil::createResults(4, 10));
     $variant->computeStats();
     $variant->setException(new \Exception('Test'));
     $variant->getStats();
 }