add simple java config

spring-data-mongodb/src/main/java/org/baeldung/config/SimpleMongoConfig.java

@@ -0,0 +1,25 @@
+package org.baeldung.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.data.mongodb.repository.config.EnableMongoRepositories;
+
+import com.mongodb.Mongo;
+import com.mongodb.MongoClient;
+
+@Configuration
+@EnableMongoRepositories(basePackages = "org.baeldung.repository")
+public class SimpleMongoConfig {
+
+    @Bean
+    public Mongo mongo() throws Exception {
+        return new MongoClient("localhost");
+    }
+
+    @Bean
+    public MongoTemplate mongoTemplate() throws Exception {
+        return new MongoTemplate(mongo(), "test");
+    }
+
+}

spring-data-mongodb/src/test/java/org/baeldung/mongotemplate/MongoTemplateProjectionLiveTest.java

@@ -1,8 +1,10 @@
 package org.baeldung.mongotemplate;
 
-import static org.junit.Assert.*;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
 
-import org.baeldung.config.MongoConfig;
+import org.baeldung.config.SimpleMongoConfig;
 import org.baeldung.model.User;
 import org.junit.After;
 import org.junit.Before;
@@ -15,7 +17,7 @@ import org.springframework.test.context.ContextConfiguration;
 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 @RunWith(SpringJUnit4ClassRunner.class)
-@ContextConfiguration(classes = MongoConfig.class)
+@ContextConfiguration(classes = SimpleMongoConfig.class)
 public class MongoTemplateProjectionLiveTest {
 
     @Autowired
@@ -38,7 +40,7 @@ public class MongoTemplateProjectionLiveTest {
         mongoTemplate.insert(new User("John", 30));
         mongoTemplate.insert(new User("Ringo", 35));
 
-        Query query = new Query();
+        final Query query = new Query();
         query.fields()
             .include("name");
 
@@ -55,7 +57,7 @@ public class MongoTemplateProjectionLiveTest {
         mongoTemplate.insert(new User("John", 30));
         mongoTemplate.insert(new User("Ringo", 35));
 
-        Query query = new Query();
+        final Query query = new Query();
         query.fields()
             .exclude("_id");