public void TwoUsersShouldBeEqual()
{
User user1 = new User("tisciencia");
User user2 = new User("tisciencia");
user1.Equals(user2).Should().Be(true);
}
public void TwoUsersShouldBeDiff()
{
User user1 = new User("tisciencia");
User user2 = new User("vintem");
user1.Equals(user2).Should().Be(false);
}