Add integration test, bump version to 0.0.4

spring-boot-exceptions/pass-exception-to-client-json-spring-boot/pom.xml

@@ -10,7 +10,7 @@
 	</parent>
 	<groupId>com.baeldung</groupId>
 	<artifactId>pass-exception-to-client-json-spring-boot</artifactId>
-	<version>0.0.3-SNAPSHOT</version>
+	<version>0.0.4-SNAPSHOT</version>
 	<name>pass-exception-to-client-json-spring-boot</name>
 	<description>Baeldung article code on how to pass exceptions to client in JSON format using Spring Boot</description>
 

spring-boot-exceptions/pass-exception-to-client-json-spring-boot/src/main/java/com/baeldung/passexceptiontoclientjsonspringboot/ErrorHandler.java

@@ -13,9 +13,7 @@ public class ErrorHandler {
     @ExceptionHandler(CustomException.class)
     @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
     public CustomException handleCustomException(CustomException ce) {
-
         return ce;
-
     }
 
 }

spring-boot-exceptions/pass-exception-to-client-json-spring-boot/src/test/java/com/baeldung/passexceptiontoclientjsonspringboot/MainControllerIntegrationTest.java

@@ -0,0 +1,16 @@
+package com.baeldung.passexceptiontoclientjsonspringboot;
+
+import org.junit.Test;
+
+public class MainControllerIntegrationTest {
+
+	@Test(expected = CustomException.class)
+	public void givenIndex_thenCustomException() throws CustomException {
+	    
+		MainController mainController = new MainController();
+		
+		mainController.index();
+		
+	}
+
+}