Forgot to add the tests

exception-handler/src/main/java/com/raychatter/common/annotation/AnnotationHandler.java

@@ -52,7 +52,7 @@ public class AnnotationHandler implements HandlerExceptionResolver {
       return new ModelAndView();
    }
 
-   private ModelAndView respondWithDefault(final Exception thrownException, final HttpServletResponse response) throws IOException {
+   protected ModelAndView respondWithDefault(final Exception thrownException, final HttpServletResponse response) throws IOException {
       response.setContentType(MediaType.APPLICATION_XML_VALUE);
       response.setStatus(HttpStatus.INTERNAL_SERVER_ERROR.value());
       response.getWriter().write(formatDefaultMessage(thrownException));

exception-handler/src/test/java/com/raychatter/common/annotation/AnnotationHandlerTest.java

@@ -240,6 +240,21 @@ public class AnnotationHandlerTest {
 
       verify(sut).handleException(mockAnnotation, expectedException, mockResponse);
    }
+
+   @Test public void resolveException_ShouldReturnDefaultErrorMessage_WhenUncheckedExceptionIsGiven() throws Exception {
+      final NullPointerException expectedException = mock(NullPointerException.class);
+
+      final HttpServletResponse mockResponse = mock(HttpServletResponse.class);
+      final PrintWriter mockPrinter = mock(PrintWriter.class);
+      when(mockResponse.getWriter()).thenReturn(mockPrinter);
+
+      final AnnotationHandler sut = spy(new AnnotationHandler());
+      doReturn(null).when(sut).getAnnotationFrom(expectedException);
+
+      final ModelAndView view = sut.resolveException(null, mockResponse, null, expectedException);
+
+      verify(sut).respondWithDefault(expectedException, mockResponse);
+   }
 }
 
 @ExceptionHandler()