diff --git a/core-java-modules/core-java-concurrency-simple/src/test/java/com/baeldung/concurrent/completablefuture/CompletableFutureTimeoutUnitTest.java b/core-java-modules/core-java-concurrency-simple/src/test/java/com/baeldung/concurrent/completablefuture/CompletableFutureTimeoutUnitTest.java
index c1de38ad37..62cf00930b 100644
--- a/core-java-modules/core-java-concurrency-simple/src/test/java/com/baeldung/concurrent/completablefuture/CompletableFutureTimeoutUnitTest.java
+++ b/core-java-modules/core-java-concurrency-simple/src/test/java/com/baeldung/concurrent/completablefuture/CompletableFutureTimeoutUnitTest.java
@@ -1,7 +1,9 @@
 package com.baeldung.concurrent.completablefuture;
 
+import com.fasterxml.jackson.databind.JsonNode;
 import com.github.tomakehurst.wiremock.WireMockServer;
 import com.github.tomakehurst.wiremock.client.WireMock;
+import net.minidev.json.writer.JsonReader;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
@@ -13,6 +15,7 @@ import java.io.InputStreamReader;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.util.concurrent.*;
+import java.util.function.Supplier;
 
 import static com.github.tomakehurst.wiremock.client.WireMock.*;
 import static org.junit.jupiter.api.Assertions.assertEquals;
@@ -23,8 +26,93 @@ class CompletableFutureTimeoutUnitTest {
     private WireMockServer wireMockServer;
     private ScheduledExecutorService executorService;
     private static final int DEFAULT_TIMEOUT = 1000; //1 seconds
-    private static final String DEFAULT_PRODUCT = "default_product";
-    private static final String PRODUCT_OFFERS = "product_offers";
+    private static final String DEFAULT_PRODUCT = "{\n" +
+            "  \"products\": [\n" +
+            "    {\n" +
+            "      \"id\": 2,\n" +
+            "      \"title\": \"iPhone X\",\n" +
+            "      \"description\": \"SIM-Free, Model A19211 6.5-inch Super Retina HD display with OLED technology A12 Bionic chip with ...\",\n" +
+            "      \"price\": 899,\n" +
+            "      \"discountPercentage\": 0.0,\n" +
+            "      \"rating\": 4.44,\n" +
+            "      \"stock\": 34,\n" +
+            "      \"brand\": \"Apple\",\n" +
+            "      \"category\": \"smartphones\"\n" +
+            "    },\n" +
+            "    {\n" +
+            "      \"id\": 3,\n" +
+            "      \"title\": \"Samsung Universe 9\",\n" +
+            "      \"description\": \"Samsung's new variant which goes beyond Galaxy to the Universe\",\n" +
+            "      \"price\": 1249,\n" +
+            "      \"discountPercentage\": 0.0,\n" +
+            "      \"rating\": 4.09,\n" +
+            "      \"stock\": 36,\n" +
+            "      \"brand\": \"Samsung\",\n" +
+            "      \"category\": \"smartphones\"\n" +
+            "    }\n" +
+            "  ],\n" +
+            "  \"total\": 2\n" +
+            "}";
+    private static final String PRODUCT_OFFERS = "{\n" +
+            "  \"products\": [\n" +
+            "    {\n" +
+            "      \"id\": 1,\n" +
+            "      \"title\": \"iPhone 9\",\n" +
+            "      \"description\": \"An apple mobile which is nothing like apple\",\n" +
+            "      \"price\": 549,\n" +
+            "      \"discountPercentage\": 12.96,\n" +
+            "      \"rating\": 4.69,\n" +
+            "      \"stock\": 94,\n" +
+            "      \"brand\": \"Apple\",\n" +
+            "      \"category\": \"smartphones\"\n" +
+            "    },\n" +
+            "    {\n" +
+            "      \"id\": 2,\n" +
+            "      \"title\": \"iPhone X\",\n" +
+            "      \"description\": \"SIM-Free, Model A19211 6.5-inch Super Retina HD display with OLED technology A12 Bionic chip with ...\",\n" +
+            "      \"price\": 899,\n" +
+            "      \"discountPercentage\": 17.94,\n" +
+            "      \"rating\": 4.44,\n" +
+            "      \"stock\": 34,\n" +
+            "      \"brand\": \"Apple\",\n" +
+            "      \"category\": \"smartphones\"\n" +
+            "    },\n" +
+            "    {\n" +
+            "      \"id\": 3,\n" +
+            "      \"title\": \"Samsung Universe 9\",\n" +
+            "      \"description\": \"Samsung's new variant which goes beyond Galaxy to the Universe\",\n" +
+            "      \"price\": 1249,\n" +
+            "      \"discountPercentage\": 15.46,\n" +
+            "      \"rating\": 4.09,\n" +
+            "      \"stock\": 36,\n" +
+            "      \"brand\": \"Samsung\",\n" +
+            "      \"category\": \"smartphones\"\n" +
+            "    },\n" +
+            "    {\n" +
+            "      \"id\": 4,\n" +
+            "      \"title\": \"OPPOF19\",\n" +
+            "      \"description\": \"OPPO F19 is officially announced on April 2021.\",\n" +
+            "      \"price\": 280,\n" +
+            "      \"discountPercentage\": 17.91,\n" +
+            "      \"rating\": 4.3,\n" +
+            "      \"stock\": 123,\n" +
+            "      \"brand\": \"OPPO\",\n" +
+            "      \"category\": \"smartphones\"\n" +
+            "    },\n" +
+            "    {\n" +
+            "      \"id\": 5,\n" +
+            "      \"title\": \"Huawei P30\",\n" +
+            "      \"description\": \"Huawei’s re-badged P30 Pro New Edition was officially unveiled yesterday in Germany and now the device has made its way to the UK.\",\n" +
+            "      \"price\": 499,\n" +
+            "      \"discountPercentage\": 10.58,\n" +
+            "      \"rating\": 4.09,\n" +
+            "      \"stock\": 32,\n" +
+            "      \"brand\": \"Huawei\",\n" +
+            "      \"category\": \"smartphones\"\n" +
+            "    }\n" +
+            "  ],\n" +
+            "  \"total\": 5\n" +
+            "}";
 
     @BeforeAll
     void setUp() {
@@ -40,7 +128,6 @@ class CompletableFutureTimeoutUnitTest {
         executorService = Executors.newScheduledThreadPool(1);
     }
 
-
     @AfterAll
     void tearDown() {
         executorService.shutdown();