public function setUp()
{
vfsStream::setup('Foo');
$settings['security']['cryptography']['RSAWalletServicePHP']['keystorePath'] = 'vfs://Foo/EncryptionKey';
$this->rsaWalletService = $this->getAccessibleMock(RsaWalletServicePhp::class, ['dummy']);
$this->rsaWalletService->injectSettings($settings);
$this->keyPairUuid = $this->rsaWalletService->generateNewKeypair();
}