@Test
    void testReadAlpha() throws Exception {
        final File imageFile = new File(WebPMetadataTest.class.getResource("/images/webp/alpha/alpha.webp").getFile());
        final WebPImageParser parser = new WebPImageParser();
        final ImageInfo imageInfo = parser.getImageInfo(ByteSource.file(imageFile), parser.getDefaultParameters());
        assertNotNull(imageInfo);
    }
@throws Exception if it cannot open the images.
src/test/java/org/apache/commons/imaging/formats/webp/WebPMetadataTest.java