@Transactional
    public void updatePassword(String phone, String newPassword) {
        User user = readUserOrThrow(phone);

        user.updatePassword(passwordEncoderHelper.encodePassword(newPassword));
    }
@DisplayName("정상적인 요청일 경우 비밀번호를 변경한다.")
    @Test
    void updatePassword() {
        // given
        String phone = "010-1234-5678";
        String newPassword = "newPassword123";
        User user = UserFixture.GENERAL_USER.toUser();
        given(userService.readUserByPhone(phone)).willReturn(Optional.of(user));
        given(passwordEncoderHelper.encodePassword(newPassword)).willReturn("encodedNewPassword");

        // when
        authFindService.updatePassword(phone, newPassword);

        // then
        assertEquals("encodedNewPassword", user.getPassword());
    }