//Using jayway/JsonPath for validating JSON in MockMvc
        Configuration conf = Configuration.builder()
                .options(Option.AS_PATH_LIST).build();


        MvcResult result = mockMvc.perform(get("<api-endpoint>"))
                .andExpect(status().isOk())
                //.andExpect(jsonPath("$[0]['property']").value(is(0)))
                .andReturn();

        List<String> pathList = JsonPath.using(conf).parse(result.getResponse().getContentAsString()).read("$..*");

        //This pathList will be a list of string for all available JsonPath values "$[0]['property']"