diff --git a/spring-data-mongodb/src/main/java/org/baeldung/repository/UserRepository.java b/spring-data-mongodb/src/main/java/org/baeldung/repository/UserRepository.java
index 229c907b90..72d9a4dba0 100644
--- a/spring-data-mongodb/src/main/java/org/baeldung/repository/UserRepository.java
+++ b/spring-data-mongodb/src/main/java/org/baeldung/repository/UserRepository.java
@@ -25,6 +25,6 @@ public interface UserRepository extends MongoRepository<User, String>, QueryDslP
     List<User> findByAgeBetween(int ageGT, int ageLT);
 
     List<User> findByNameStartingWith(String regexp);
-    
+
     List<User> findByNameEndingWith(String regexp);
 }
diff --git a/spring-data-mongodb/src/test/java/org/baeldung/mongotemplate/DocumentQueryIntegrationTest.java b/spring-data-mongodb/src/test/java/org/baeldung/mongotemplate/DocumentQueryIntegrationTest.java
index 8e264720d9..a4b09e1c70 100644
--- a/spring-data-mongodb/src/test/java/org/baeldung/mongotemplate/DocumentQueryIntegrationTest.java
+++ b/spring-data-mongodb/src/test/java/org/baeldung/mongotemplate/DocumentQueryIntegrationTest.java
@@ -37,7 +37,7 @@ public class DocumentQueryIntegrationTest {
     public void tearDown() {
         mongoTemplate.dropCollection(User.class);
     }
-    
+
     @Test
     public void givenUsersExist_whenFindingUsersByName_thenUsersAreFound() {
         User user = new User();
@@ -103,7 +103,7 @@ public class DocumentQueryIntegrationTest {
         List<User> users = mongoTemplate.find(query, User.class);
         assertThat(users.size(), is(2));
     }
-    
+
     @Test
     public void givenUsersExist_whenFindingUserWithNameEndWithC_thenUsersAreFound() {
         User user = new User();
diff --git a/spring-data-mongodb/src/test/java/org/baeldung/repository/BaseQueryIntegrationTest.java b/spring-data-mongodb/src/test/java/org/baeldung/repository/BaseQueryIntegrationTest.java
index 9e63121472..459716c7ca 100644
--- a/spring-data-mongodb/src/test/java/org/baeldung/repository/BaseQueryIntegrationTest.java
+++ b/spring-data-mongodb/src/test/java/org/baeldung/repository/BaseQueryIntegrationTest.java
@@ -7,7 +7,6 @@ import org.junit.Before;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.mongodb.core.MongoOperations;
 
-
 public class BaseQueryIntegrationTest {
 
     @Autowired
diff --git a/spring-data-mongodb/src/test/java/org/baeldung/repository/DSLQueryIntegrationTest.java b/spring-data-mongodb/src/test/java/org/baeldung/repository/DSLQueryIntegrationTest.java
index 48e53dfdf1..ca8d46a97a 100644
--- a/spring-data-mongodb/src/test/java/org/baeldung/repository/DSLQueryIntegrationTest.java
+++ b/spring-data-mongodb/src/test/java/org/baeldung/repository/DSLQueryIntegrationTest.java
@@ -18,7 +18,7 @@ import com.mysema.query.types.Predicate;
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration(classes = MongoConfig.class)
 public class DSLQueryIntegrationTest extends BaseQueryIntegrationTest {
-    
+
     @Test
     public void givenUsersExist_whenFindingUsersByName_thenUserAreFound() {
         User user = new User();
@@ -37,7 +37,7 @@ public class DSLQueryIntegrationTest extends BaseQueryIntegrationTest {
 
         assertThat(users.size(), is(1));
     }
-    
+
     @Test
     public void givenUsersExist_whenFindingUsersWithAgeCreaterThanAndLessThan_thenUsersAreFound() {
         User user = new User();
@@ -62,7 +62,7 @@ public class DSLQueryIntegrationTest extends BaseQueryIntegrationTest {
 
         assertThat(users.size(), is(1));
     }
-    
+
     @Test
     public void givenUsersExist_whenFindingUserWithNameStartWithA_thenUsersAreFound() {
         User user = new User();
@@ -86,7 +86,7 @@ public class DSLQueryIntegrationTest extends BaseQueryIntegrationTest {
         List<User> users = (List<User>) userRepository.findAll(predicate);
         assertThat(users.size(), is(2));
     }
-    
+
     @Test
     public void givenUsersExist_whenFindingUserWithNameEndWithC_thenUsersAreFound() {
         User user = new User();
@@ -107,8 +107,7 @@ public class DSLQueryIntegrationTest extends BaseQueryIntegrationTest {
         QUser qUser = new QUser("user");
         Predicate predicate = qUser.name.endsWith("c");
         List<User> users = (List<User>) userRepository.findAll(predicate);
-        
+
         assertThat(users.size(), is(1));
     }
 }
-
diff --git a/spring-data-mongodb/src/test/java/org/baeldung/repository/JSONQueryIntegrationTest.java b/spring-data-mongodb/src/test/java/org/baeldung/repository/JSONQueryIntegrationTest.java
index a899e76659..ed88429792 100644
--- a/spring-data-mongodb/src/test/java/org/baeldung/repository/JSONQueryIntegrationTest.java
+++ b/spring-data-mongodb/src/test/java/org/baeldung/repository/JSONQueryIntegrationTest.java
@@ -15,8 +15,8 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration(classes = MongoConfig.class)
 public class JSONQueryIntegrationTest extends BaseQueryIntegrationTest {
-    
-   @Test
+
+    @Test
     public void givenUsersExist_whenFindingUsersByName_thenUsersAreFound() {
         User user = new User();
         user.setName("Eric");
@@ -30,70 +30,69 @@ public class JSONQueryIntegrationTest extends BaseQueryIntegrationTest {
         List<User> users = userRepository.findUsersByName("Eric");
         assertThat(users.size(), is(1));
     }
-   
-   @Test
-   public void givenUsersExist_whenFindingUsersWithAgeCreaterThanAndLessThan_thenUsersAreFound() {
-       User user = new User();
-       user.setAge(20);
-       user.setName("Jon");
-       mongoOps.insert(user);
 
-       user = new User();
-       user.setAge(50);
-       user.setName("Jon");
-       mongoOps.insert(user);
+    @Test
+    public void givenUsersExist_whenFindingUsersWithAgeCreaterThanAndLessThan_thenUsersAreFound() {
+        User user = new User();
+        user.setAge(20);
+        user.setName("Jon");
+        mongoOps.insert(user);
 
-       user = new User();
-       user.setAge(33);
-       user.setName("Jim");
-       mongoOps.insert(user);
+        user = new User();
+        user.setAge(50);
+        user.setName("Jon");
+        mongoOps.insert(user);
 
-       List<User> users = userRepository.findUsersByAgeBetween(26, 40);
-       assertThat(users.size(), is(1));
-   }
-   
-   @Test
-   public void givenUsersExist_whenFindingUserWithNameStartWithA_thenUsersAreFound() {
-       User user = new User();
-       user.setName("Eric");
-       user.setAge(45);
-       mongoOps.insert(user);
+        user = new User();
+        user.setAge(33);
+        user.setName("Jim");
+        mongoOps.insert(user);
 
-       user = new User();
-       user.setName("Antony");
-       user.setAge(33);
-       mongoOps.insert(user);
+        List<User> users = userRepository.findUsersByAgeBetween(26, 40);
+        assertThat(users.size(), is(1));
+    }
 
-       user = new User();
-       user.setName("Alice");
-       user.setAge(35);
-       mongoOps.insert(user);
+    @Test
+    public void givenUsersExist_whenFindingUserWithNameStartWithA_thenUsersAreFound() {
+        User user = new User();
+        user.setName("Eric");
+        user.setAge(45);
+        mongoOps.insert(user);
 
-       List<User> users = userRepository.findUsersByRegexpName("^A");
-       
-       assertThat(users.size(), is(2));
-   }
-   
-   @Test
-   public void givenUsersExist_whenFindingUserWithNameEndWithC_thenUsersAreFound() {
-       User user = new User();
-       user.setName("Eric");
-       user.setAge(45);
-       mongoOps.insert(user);
+        user = new User();
+        user.setName("Antony");
+        user.setAge(33);
+        mongoOps.insert(user);
 
-       user = new User();
-       user.setName("Antony");
-       user.setAge(33);
-       mongoOps.insert(user);
+        user = new User();
+        user.setName("Alice");
+        user.setAge(35);
+        mongoOps.insert(user);
 
-       user = new User();
-       user.setName("Alice");
-       user.setAge(35);
-       mongoOps.insert(user);
+        List<User> users = userRepository.findUsersByRegexpName("^A");
 
-       List<User> users = userRepository.findUsersByRegexpName("c$");
-       
-       assertThat(users.size(), is(1));
-   }
+        assertThat(users.size(), is(2));
+    }
+
+    @Test
+    public void givenUsersExist_whenFindingUserWithNameEndWithC_thenUsersAreFound() {
+        User user = new User();
+        user.setName("Eric");
+        user.setAge(45);
+        mongoOps.insert(user);
+
+        user = new User();
+        user.setName("Antony");
+        user.setAge(33);
+        mongoOps.insert(user);
+
+        user = new User();
+        user.setName("Alice");
+        user.setAge(35);
+        mongoOps.insert(user);
+
+        List<User> users = userRepository.findUsersByRegexpName("c$");
+
+        assertThat(users.size(), is(1));
+    }
 }
-