@Test(expected = Api.NotFound.class)
 public void test09aDeleteResourcesByPrefix() throws Exception {
   // should allow deleting resources
   cloudinary
       .uploader()
       .upload("src/test/resources/logo.png", Cloudinary.asMap("public_id", "api_test_by_prefix"));
   Map resource = api.resource("api_test_by_prefix", Cloudinary.emptyMap());
   assertNotNull(resource);
   api.deleteResourcesByPrefix("api_test_by", Cloudinary.emptyMap());
   api.resource("api_test_by_prefix", Cloudinary.emptyMap());
 }