@Test
public void testDeltaWithExpiry() {

    requestHeaders.add("x-expire-after", "123");
    DeltaHandler deltaHandler = new DeltaHandler(redisClient, null);
    deltaHandler.handle(request, router);
    verify(redisClient, times(1)).setex(eq("delta:resources:a:b:c"), eq(123L), eq("555"), any());
    verify(redisClient, never()).set(any(), any(), any());
}