public function testGetPrivateKey()
{
$accessControl = new ArrayAdapter([['publicKey' => 'pubKey1', 'privateKey' => 'privateKey1', 'acl' => [['resources' => [Resource::IMAGES_POST], 'users' => ['user1']]]], ['publicKey' => 'pubKey2', 'privateKey' => 'privateKey2', 'acl' => [['resources' => [Resource::IMAGES_POST], 'users' => ['user2']]]]]);
$this->assertSame('privateKey1', $accessControl->getPrivateKey('pubKey1'));
$this->assertSame('privateKey2', $accessControl->getPrivateKey('pubKey2'));
$this->assertNull($accessControl->getPrivateKey('pubKey3'));
}