Bael 4461 3 (#4695)

* [BAEL-7574] - Fixed integration tests for spring-rest-simple module

* Fixed integration tests for spring-all, data-flow-server, spring-cloud-rest-books-api, spring-cloud-rest-reviews-api modules

spring-cloud/spring-cloud-rest/spring-cloud-rest-books-api/src/test/java/org/baeldung/BooksApiIntegrationTest.java

@@ -2,7 +2,14 @@ package org.baeldung;
 
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mockito;
 import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.redis.connection.RedisConnection;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;
 import org.springframework.test.context.junit4.SpringRunner;
 
 @RunWith(SpringRunner.class)
@@ -13,4 +20,24 @@ public class BooksApiIntegrationTest {
     public void contextLoads() {
     }
 
+    @EnableRedisHttpSession
+    @Configuration
+    static class Config {
+
+        @Bean
+        @SuppressWarnings("unchecked")
+        public RedisSerializer<Object> defaultRedisSerializer() {
+            return Mockito.mock(RedisSerializer.class);
+        }
+
+        @Bean
+        public RedisConnectionFactory connectionFactory() {
+
+            RedisConnectionFactory factory = Mockito.mock(RedisConnectionFactory.class);
+            RedisConnection connection = Mockito.mock(RedisConnection.class);
+            Mockito.when(factory.getConnection()).thenReturn(connection);
+
+            return factory;
+        }
+    }
 }