[BAEL-3392] Formatted code examples for [BAEL-3392]

spring-boot-data/src/test/java/com/baeldung/disableautoconfig/SpringDataMongoDBIntegrationTest.java

@@ -0,0 +1,25 @@
+package com.baeldung.disableautoconfig;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.context.ApplicationContext;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.test.context.junit4.SpringRunner;
+
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = SpringDataMongoDB.class)
+public class SpringDataMongoDBIntegrationTest {
+
+    @Autowired
+    private ApplicationContext context;
+
+    @Test(expected = NoSuchBeanDefinitionException.class)
+    public void givenAutoConfigDisabled_whenStarting_thenNoAutoconfiguredBeansInContext() {
+        context.getBean(MongoTemplate.class);
+    }
+
+}