Fix integration tests

Author: solonovamax

packages/core/integration-tests/test/image.js

@@ -85,7 +85,7 @@ describe('image', function () {
 
       assert.deepStrictEqual(
         foundExtensions,
-        new Set(['html', 'webp', 'avif', 'jpeg', 'png', 'tiff']),
+        new Set(['html', 'webp', 'avif', 'jpeg', 'jxl', 'png', 'tiff']),
       );
     });
   });

packages/core/integration-tests/test/integration/image/reformat-all.html

@@ -1,7 +1,7 @@
 ​<picture>
   <source srcset="foo.png?as=avif" type="image/avif">
-  <source srcset="foo.png?as=jxl" type="image/jxl">
   <source srcset="foo.png?as=jpg" type="image/jpeg">
+  <source srcset="foo.png?as=jxl" type="image/jxl">
   <source srcset="foo.png?as=png" type="image/png">
   <source srcset="foo.png?as=tiff" type="image/tiff">
   <source srcset="foo.png?as=webp" type="image/webp">