BAEL-453 some improvments, formatting etc.

spring-core/src/test/java/com/baeldung/factorybean/AbstractFactoryBeanTest.java

@@ -9,6 +9,7 @@ import org.springframework.context.ApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 public class AbstractFactoryBeanTest {
+    
     @Test
     public void testSingleToolFactory() {
         ApplicationContext context = new ClassPathXmlApplicationContext("classpath:factorybean-abstract-spring-ctx.xml");

spring-core/src/test/java/com/baeldung/factorybean/FactoryBeanInitializeTest.java

@@ -5,6 +5,7 @@ import org.springframework.beans.factory.BeanCreationException;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 public class FactoryBeanInitializeTest {
+	
     @Test(expected = BeanCreationException.class)
     public void testInitializationToolFactory() {
         new ClassPathXmlApplicationContext("classpath:factorybean-init-spring-ctx.xml");

spring-core/src/test/java/com/baeldung/factorybean/FactoryBeanTest.java

@@ -9,6 +9,7 @@ import org.springframework.context.annotation.AnnotationConfigApplicationContext
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 public class FactoryBeanTest {
+    
     @Test
     public void testConstructWorkerByXml() {
         ApplicationContext context = new ClassPathXmlApplicationContext("classpath:factorybean-spring-ctx.xml");