### Question:
UsersJdbcAuthzRepository extends AbstractJdbcRepository implements UsersAuthzRepository { @Override public List<Roles> findAvailableRolesList() { String sql = " select r.* from roles r where r.archived = 0 "; return this.jdbcTemplate.query(sql, rolesRowMapper); }  @Override List<Users> findUsersByUsername(String username); @Override List<Roles> findAvailableRolesList(); @Override Users findByUsername(String username); @Override int saveUsers(final Users users); @Override Roles findRolesByGuid(String guid); @Override void insertUserRoles(final int userId, final int rolesId); @Override List<Roles> findUsersRolesList(String usersGuid); @Override List<String> findPermissionsByRoles(String rolesGuid);  }### Answer:
@Test public void findAvailableRolesList() throws Exception { final List<Roles> list = usersJdbcRepository.findAvailableRolesList(); assertNotNull(list); assertTrue(list.isEmpty()); }