assertThat(new ReturnsArgumentAt(-1).answer(invocationWith("A", "B"))).isEqualTo("B");
}
@Test
public void should_be_able_to_return_the_specified_parameter() throws Throwable {
assertThat(new ReturnsArgumentAt(0).answer(invocationWith("A", "B", "C"))).isEqualTo("A");
assertThat(new ReturnsArgumentAt(1).answer(invocationWith("A", "B", "C"))).isEqualTo("B");
assertThat(new ReturnsArgumentAt(2).answer(invocationWith("A", "B", "C"))).isEqualTo("C");
}