Fixed spring-session integration tests (#4650)

spring-cloud/spring-cloud-rest/spring-cloud-rest-reviews-api/pom.xml

@@ -18,6 +18,7 @@
 
     <properties>
         <rest-assured.version>3.0.1</rest-assured.version>
+        <embedded-redis.version>0.6</embedded-redis.version>
     </properties>
 
     <dependencies>
@@ -57,6 +58,11 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-redis</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.github.kstyrc</groupId>
+            <artifactId>embedded-redis</artifactId>
+            <version>${embedded-redis.version}</version>
+        </dependency>
     </dependencies>
 
     <dependencyManagement>

spring-cloud/spring-cloud-rest/spring-cloud-rest-reviews-api/src/test/java/org/baeldung/BookReviewsApiIntegrationTest.java

@@ -1,13 +1,33 @@
 package org.baeldung;
 
+import java.io.IOException;
+
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
+import redis.embedded.RedisServer;
 
 @RunWith(SpringRunner.class)
 @SpringBootTest
 public class BookReviewsApiIntegrationTest {
+    
+    private static RedisServer redisServer;
+    private static int port;
+
+    @BeforeClass
+    public static void setUp() throws IOException {
+
+        redisServer = new RedisServer(6379);
+        redisServer.start();
+    }
+
+    @AfterClass
+    public static void destroy() {
+        redisServer.stop();
+    }
 
     @Test
     public void contextLoads() {