public void DeCryptionMessagetTest()
 {
     var problems = new SecondProblems();
     string messageEncryption = problems.EncryptionMessage("Nicaieri, nu e ca acasa!", 4);
     string messageDeCryption = problems.DeCryptionMessage(messageEncryption, 4);
     messageDeCryption = problems.RemoveSpecialCharacters(messageDeCryption);
     Assert.AreEqual(messageDeCryption, "Nicaierinuecaacasa");
 }
 public void MessageWithoutSpaceAndSpecialSignTest()
 {
     var problems = new SecondProblems();
     var messageClean = problems.RemoveSpecialCharacters("Nicaieri!#21 nu. e ca acasa*(");
     Assert.AreEqual(messageClean, "Nicaieri21nuecaacasa");
 }