public void testFilterWhenResponseIs2xx() throws Exception {
HttpResponse filterResponse = HttpResponse.builder().statusCode(200)
.payload(payloadFromResourceWithContentType("/describe_tags.xml", "text/xml")).build();
EC2Api apiWhenExist = requestSendsResponse(filter, filterResponse);
assertEquals(apiWhenExist.getTagApi().get().filter(ImmutableMultimap.<String, String> builder()
.put("resource-type", "instance")
.put("key", "stack")
.build()).toString(),
new DescribeTagsResponseTest().expected().toString());
}