public String getExpiration() {
        return expiration;
    }
@Test
    void claims_dateParse_issueTime() {
        try {
            AwsProxyRequest req = new AwsProxyRequestBuilder().fromJsonString(USER_POOLS_REQUEST).build();

            assertEquals(EXP_TIME, req.getRequestContext().getAuthorizer().getClaims().getExpiration());
            assertNotNull(req.getRequestContext().getAuthorizer().getClaims().getExpiration());

            ZonedDateTime expTime = ZonedDateTime.from(TOKEN_DATE_FORMATTER.parse(EXP_TIME));
            ZonedDateTime issueTime = ZonedDateTime.from(TOKEN_DATE_FORMATTER.parse(ISSUE_TIME));
            assertEquals(expTime, ZonedDateTime.from(TOKEN_DATE_FORMATTER.parse(req.getRequestContext().getAuthorizer().getClaims().getExpiration())));

            assertEquals(expTime, issueTime.plusHours(1));
        } catch (IOException e) {
            e.printStackTrace();
            fail();
        }
    }