### Question:
JUGMemberServiceBean { public List<JUGMember> findByFirstAndLastName( String firstname, String lastname) { return entityManager.createNamedQuery( "JUGMember-findByFirstAndLastName") .setParameter("firstname", firstname) .setParameter("lastname",lastname) .getResultList(); }  void save( JUGMember member ); void delete( JUGMember member ); List<JUGMember> findAllMembers(); List<JUGMember> findByFirstAndLastName(
            String firstname, String lastname); List<JUGMember> findByLanguage(String language); List<JUGMember> findByExperience(int experience);  }### Answer:
@Test public void shouldNotFindByUnknownMember() { List<JUGMember> list = service.findByFirstAndLastName("Doctor","Who"); assertNotNull( list); assertEquals( 0, list.size() ); }
@Test public void shouldFindByFirstAndLastName() { List<JUGMember> list = service.findByFirstAndLastName("Oscar","Henry"); assertNotNull(list); assertEquals( 1, list.size() ); }