ITeacher teacher = new Teacher(); teacher.setTeacherNumber(Integer.valueOf(1)); teacher.setPerson(person); ICoordinator coordinator = new Coordinator(); coordinator.setTeacher(teacher);
	public void testRemoveRole2() {		IPerson person = new Person(username, nome, Gender.MALE, address,				telefone, telemovel, enderecoWeb, email,				numDocumentoIdentificacao, IDDocumentType.EXTERNAL);		person.getPersonRoles().add(personRole);		person.getPersonRoles().add(teacherRole);		person.getPersonRoles().add(coordinatorRole);		assertEquals(person.getPersonRolesCount(), 3);		person.getPersonRoles().remove(teacherRole);		assertEquals(person.getPersonRolesCount(), 1);		assertFalse(person.getPersonRoles().contains(teacherRole));		assertFalse(person.getPersonRoles().contains(coordinatorRole));	}