An erroneous test case in TestPart2.java?

TestPart2.java

   		 /**
		 * Test {@link SEStudent#groupWork(Character)}.
		 */
		@Test
		@DisplayName("Test SEStudent's groupWork(Character)")
		public void testSEStudent_groupWork() {
			student.selfStudy();
			student.selfStudy();
			student.selfStudy();
			student.selfStudy();
			student.selfStudy();
			assertEquals(18, student.getHP(), "Incorrect HP for SEStudent before using group work");
			assertEquals(11, student.getAttack(), "Incorrect Attack for SEStudent before using group work");
			assertEquals(18, student.getEP(), "Incorrect EP for SEStudent before using group work");
			try {
				student.groupWork(enemy2);
				assertEquals(22, student.getEP(), "Incorrect EP for Student after using group work");
				assertEquals(2, enemy2.getHP(), "Incorrect HP for Enemy2 after group work attack by Student");
			} catch (Exception e) {
				fail(" Students should have sufficient KPs");
			}
		}