import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class HelloWorldTest {
@Test
public void testSayHello() {
HelloWorld helloWorld = new HelloWorld();
String result = helloWorld.sayHello("JUnit");
assertEquals("Hello JUnit!", result);
}
}
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
