PayPal\Test\Cache\AuthorizationCacheTest::testCachePullNonExisting PHP Method

    public function testCachePullNonExisting()
    {
        $result = AuthorizationCache::pull(array('cache.enabled' => true, 'cache.FileName' => AuthorizationCacheTest::CACHE_FILE), 'clientIdUndefined');
        $this->assertNull($result);
    }