@Test
 public void deveObterSignedInfoComoFoiSetado() {
   final NFSignature assinatura = new NFSignature();
   final NFSignedInfo signedInfo = new NFSignedInfo();
   assinatura.setSignedInfo(signedInfo);
   Assert.assertEquals(signedInfo, assinatura.getSignedInfo());
 }
 @Test
 public void deveObterKeyInfoComoFoiSetado() {
   final NFSignature assinatura = new NFSignature();
   final NFKeyInfo keyInfo = new NFKeyInfo();
   assinatura.setKeyInfo(keyInfo);
   Assert.assertEquals(keyInfo, assinatura.getKeyInfo());
 }
 @Test
 public void deveObterSignatureValueComoFoiSetado() {
   final NFSignature assinatura = new NFSignature();
   final String signatureValue = "signature";
   assinatura.setSignatureValue(signatureValue);
   Assert.assertEquals(signatureValue, assinatura.getSignatureValue());
 }