### Question:
HttpResponseParser { static Set<String> parseIndexesInAliasResponse(HttpEntity entity) { return JsonHandler.readValue(entity).keySet(); }    }### Answer:
@Test public void parseIndexesTest() { String path = "/responses/alias-indexes.json"; Set<String> indexes = HttpResponseParser.parseIndexesInAliasResponse(getEntityFromResponse(path)); assertEquals(2, indexes.size()); assertTrue(indexes.contains("idx1")); assertTrue(indexes.contains("idx2")); }