import org.junit.Assert; import org.junit.Before; public class Test { private Group group; @Before public void setup() { group = new Group(); } @org.junit.Test public void testNoStudentInGroup() { Assert.assertEquals(false, group.areStudentsInGroup()); } @org.junit.Test public void testAddStudent() { Student st = new Student("Elena", "11"); group.addStudent(st); Assert.assertTrue(group.getStudent("Elena").equals(st)); } @After void tearDown() { group = null; } }