markTestSkipped("memcache not installed. Skipping."); } if ($this->_cacheInstance === null) { $this->_cacheInstance = new MemCache(); } return $this->_cacheInstance; } public function testExpire() { if (isset($_ENV['TRAVIS']) && $_ENV['TRAVIS']) { $this->markTestSkipped('Can not reliably test memcache expiry on travis-ci.'); } parent::testExpire(); } }