Radu/bael 1265 junit updates (#2965)

* Code for test article: Different Types of Bean Injection in Spring

* Adding jUnits for test article: Different Types of Bean Injection in Spring

* BAEL-1265: Adding jUnit for article

* BAEL-1265: Closing ExecutorService in jUnit

* BAEL-1265: Adding jUnit for CountDownLatch and example for ExecutorService.awaitTermination

spring-core/src/test/java/com/baeldung/dependencyinjectiontypes/DependencyInjectionTest.java

@@ -0,0 +1,35 @@
+package com.baeldung.dependencyinjectiontypes;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class DependencyInjectionTest {
+
+    @Test
+    public void givenAutowiredAnnotation_WhenSetOnSetter_ThenDependencyValid() {
+        
+    	ApplicationContext context = new ClassPathXmlApplicationContext("dependencyinjectiontypes-context.xml");
+    	ArticleWithSetterInjection article = (ArticleWithSetterInjection) context.getBean("articleWithSetterInjectionBean");
+        
+    	String originalText = "This is a text !";
+    	String formattedArticle = article.format(originalText);
+    	
+    	assertTrue(originalText.toUpperCase().equals(formattedArticle));
+    }
+    
+    @Test
+    public void givenAutowiredAnnotation_WhenSetOnConstructor_ThenDependencyValid() {
+    	
+    	ApplicationContext context = new ClassPathXmlApplicationContext("dependencyinjectiontypes-context.xml");
+    	ArticleWithConstructorInjection article = (ArticleWithConstructorInjection) context.getBean("articleWithConstructorInjectionBean");
+        
+    	String originalText = "This is a text !";
+    	String formattedArticle = article.format(originalText);
+    	
+    	assertTrue(originalText.toUpperCase().equals(formattedArticle));
+    }
+    
+}