public void CheckLogin_WhenUserNameAndUserPasswordIsValid_ShouldReturnTrue()
{
string userToTest = "123";
string passwordToTest = "password";
_cryptoService.Setup(hash => hash.HashSHA512(passwordToTest, _userTest.PasswordSalt)).Returns(passwordToTest);
_authentificationService.LogIn(userToTest, passwordToTest);
Assert.True(_authentificationService.IsUserAuthenticated);
}