diff --git a/spring-session/mongodb-session/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java b/spring-session/mongodb-session/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
deleted file mode 100644
index c73335b49b17..000000000000
--- a/spring-session/mongodb-session/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package com.baeldung.springsessionmongodb;
-
-import org.junit.Assert;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.boot.test.web.client.TestRestTemplate;
-import org.springframework.http.HttpEntity;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpMethod;
-import org.springframework.session.data.mongo.MongoOperationsSessionRepository;
-import org.springframework.test.context.junit4.SpringRunner;
-import springsessionmongodb.SpringSessionMongoDBApplication;
-
-import java.util.Base64;
-
-
-@RunWith(SpringRunner.class)
-@SpringBootTest(classes = SpringSessionMongoDBApplication.class, webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
-public class SpringSessionMongoDBIntegrationTest {
-
-    @Autowired
-    private MongoOperationsSessionRepository repository;
-
-    private TestRestTemplate restTemplate = new TestRestTemplate();
-
-    @Test
-    public void givenEndpointIsCalledTwiceAndResponseIsReturned_whenMongoDBIsQueriedForCount_thenCountMustBeSame() {
-        HttpEntity<String> response = restTemplate.
-                exchange("http://localhost:" + 8080, HttpMethod.GET, null, String.class);
-        HttpHeaders headers = response.getHeaders();
-        String set_cookie = headers.getFirst(HttpHeaders.SET_COOKIE);
-
-        Assert.assertEquals(response.getBody(),
-                repository.findById(getSessionId(set_cookie)).getAttribute("count").toString());
-    }
-
-    private String getSessionId(String set_cookie) {
-        return new String(Base64.getDecoder().decode(set_cookie.split(";")[0].split("=")[1]));
-    }
-
-}
diff --git a/spring-session/spring-session-mongodb/pom.xml b/spring-session/spring-session-mongodb/pom.xml
index 714833cf99cf..16fbaccc84a5 100644
--- a/spring-session/spring-session-mongodb/pom.xml
+++ b/spring-session/spring-session-mongodb/pom.xml
@@ -32,6 +32,7 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-data-mongodb</artifactId>
+            <version>${spring-boot-starter-data-mongodb.version}</version>
         </dependency>
 
         <dependency>
@@ -43,6 +44,7 @@
 
     <properties>
         <spring-session-data-mongodb.version>2.1.3.RELEASE</spring-session-data-mongodb.version>
+        <spring-boot-starter-data-mongodb.version>2.1.5.RELEASE</spring-boot-starter-data-mongodb.version>
     </properties>
 
     <build>
diff --git a/spring-session/spring-session-mongodb/src/main/java/com/baeldung/springsessionmongodb/controller/SpringSessionMongoDBController.java b/spring-session/spring-session-mongodb/src/main/java/com/baeldung/springsessionmongodb/controller/SpringSessionMongoDBController.java
index 1c38f419c33e..b5cb4520a032 100644
--- a/spring-session/spring-session-mongodb/src/main/java/com/baeldung/springsessionmongodb/controller/SpringSessionMongoDBController.java
+++ b/spring-session/spring-session-mongodb/src/main/java/com/baeldung/springsessionmongodb/controller/SpringSessionMongoDBController.java
@@ -1,11 +1,11 @@
 package com.baeldung.springsessionmongodb.controller;
 
-import javax.servlet.http.HttpSession;
-
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RestController;
 
+import javax.servlet.http.HttpSession;
+
 @RestController
 public class SpringSessionMongoDBController {
 
@@ -17,7 +17,7 @@ public ResponseEntity<Integer> count(HttpSession session) {
         if (counter == null) {
             counter = 1;
         } else {
-            counter += 1;
+            counter++;
         }
 
         session.setAttribute("count", counter);
diff --git a/spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java b/spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
index eb9f4164a647..9dc45c5b321b 100644
--- a/spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
+++ b/spring-session/spring-session-mongodb/src/test/java/com/baeldung/springsessionmongodb/SpringSessionMongoDBIntegrationTest.java
@@ -1,7 +1,5 @@
 package com.baeldung.springsessionmongodb;
 
-import java.util.Base64;
-
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -14,6 +12,8 @@
 import org.springframework.session.data.mongo.MongoOperationsSessionRepository;
 import org.springframework.test.context.junit4.SpringRunner;
 
+import java.util.Base64;
+
 
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = SpringSessionMongoDBApplication.class, webEnvironment = SpringBootTest.WebEnvironment.DEFINED_PORT)
@@ -26,8 +26,8 @@ public class SpringSessionMongoDBIntegrationTest {
 
     @Test
     public void givenEndpointIsCalledTwiceAndResponseIsReturned_whenMongoDBIsQueriedForCount_thenCountMustBeSame() {
-        HttpEntity<String> response = restTemplate.
-                exchange("http://localhost:" + 8080, HttpMethod.GET, null, String.class);
+        HttpEntity<String> response = restTemplate
+                .exchange("http://localhost:" + 8080, HttpMethod.GET, null, String.class);
         HttpHeaders headers = response.getHeaders();
         String set_cookie = headers.getFirst(HttpHeaders.SET_COOKIE);
 
diff --git a/spring-session/spring-session-mongodb/src/test/java/org/baeldung/SpringContextIntegrationTest.java b/spring-session/spring-session-mongodb/src/test/java/org/baeldung/SpringContextIntegrationTest.java
index 3c58b2673f4d..16b7404f5729 100644
--- a/spring-session/spring-session-mongodb/src/test/java/org/baeldung/SpringContextIntegrationTest.java
+++ b/spring-session/spring-session-mongodb/src/test/java/org/baeldung/SpringContextIntegrationTest.java
@@ -1,12 +1,11 @@
 package org.baeldung;
 
+import com.baeldung.springsessionmongodb.SpringSessionMongoDBApplication;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.test.context.junit4.SpringRunner;
 
-import com.baeldung.springsessionmongodb.SpringSessionMongoDBApplication;
-
 @RunWith(SpringRunner.class)
 @SpringBootTest(classes = SpringSessionMongoDBApplication.class)
 public class SpringContextIntegrationTest {