public void test01CreateThumbnail() {
try (final Tx tx = app.tx()) {
TestImage img = (TestImage) ImageHelper.createFileBase64(securityContext, base64Image, TestImage.class);
img.setProperty(AbstractNode.name, "test-image.png");
assertNotNull(img);
assertTrue(img instanceof TestImage);
Image tn = img.getProperty(TestImage.thumbnail);
assertNotNull(tn);
assertEquals(new Integer(200), tn.getWidth());
assertEquals(new Integer(48), tn.getHeight()); // cropToFit = false
assertEquals("image/" + Thumbnail.FORMAT, tn.getContentType());