import org.junit.jupiter.api.Assertions; import org.junit.jupiter.api.Test; import org.junit.jupiter.api.BeforeEach; public class SimpleTest { private ReverseAddition adder; @BeforeEach public void initialize() { adder = new MyReverseAddition(); } @Test public void oneAndOne() { Assertions.assertEquals(2, adder.add(1, 1)); } @Test public void tenAndOneHundred() { Assertions.assertEquals(2, adder.add(10, 100)); } }