} catch (final StorageException e) {
            logger.warn("Failed to delete {}", id, e);
            throwValidationErrorApi(messages -> messages.addErrorsFailedToDeleteFile(GLOBAL, pi.getName()));
        }
        return null;
    }

    // curl -XPOST -H "Authorization: CHANGEME" localhost:8080/api/admin/storage/upload/ -F path=/ -F file=@...

    }

    @Test
    public void test_addErrorsFailedToDeleteFile() {
        String property = "testProperty";
        String arg0 = "delete.txt";
        FessMessages result = messages.addErrorsFailedToDeleteFile(property, arg0);
        assertNotNull(result);
        assertSame(messages, result);
        assertTrue(messages.hasMessageOf(property));
    }

    @Test

     * </pre>
     * @param property The property name for the message. (NotNull)
     * @param arg0 The parameter arg0 for message. (NotNull)
     * @return this. (NotNull)
     */
    public FessMessages addErrorsFailedToDeleteFile(String property, String arg0) {
        assertPropertyNotNull(property);
        add(property, new UserMessage(ERRORS_failed_to_delete_file, arg0));
        return this;
    }

    /**

        try {
            deleteObject(objectName);
        } catch (final StorageException e) {
            logger.warn("Failed to delete {}", pi.getName(), e);
            throwValidationError(messages -> messages.addErrorsFailedToDeleteFile(GLOBAL, pi.getName()),
                    () -> asListHtml(encodeId(pi.getPath())));
        }
        saveInfo(messages -> messages.addSuccessDeleteFile(GLOBAL, pi.getName()));

            if (!file.delete()) {
                logger.error("Failed to delete design file: {}", file.getAbsolutePath());
                throwValidationError(messages -> messages.addErrorsFailedToDeleteFile(GLOBAL, form.fileName), this::asListHtml);
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsTargetFileDoesNotExist(GLOBAL, form.fileName), this::asListHtml);