public void A_name_given()
{
Assert.Equal("One for Alice, one for me.", TwoFer.Speak("Alice"));
}
public void Another_name_given()
{
Assert.Equal("One for Bob, one for me.", TwoFer.Speak("Bob"));
}
public void No_name_given()
{
Assert.Equal("One for you, one for me.", TwoFer.Speak());
}