code: protected function createErrorQueue()
      {
          $context = SimpleTest::getContext();
          $test    = $this->getTestCase();
          $queue   = $context->get('SimpleErrorQueue');
          $queue->setTestCase($test);
  
          return $queue;
      }
docs: Wires up the error queue for a single test.
  
  @return SimpleErrorQueue    Queue connected to the test.