public function test_create_with_key_and_certificate()
 {
     $writer = SignatureWriter::createByKeyAndCertificate(TestHelper::getX509CertificateMock($this), TestHelper::getXmlSecurityKeyMock($this));
     $this->assertNotNull($writer->getSigningOptions());
     $this->assertInstanceOf(SigningOptions::class, $writer->getSigningOptions());
 }