Tests: Fix 404 at Element-text-transform-fullwidth.html

Author: https://github.com/shlyakpavel
Commit: https://github.com/LadybirdBrowser/ladybird/commit/ab835405232
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2216
Reviewed-by: https://github.com/AtkinsSJ ✅

Tests/LibWeb/Text/input/DOM/Element-text-transform-fullwidth.html

@@ -5,7 +5,7 @@
         <style type="text/css">
         @font-face {
         font-family: 'mplus-1p-regular';
-        src: url('/fonts/mplus-1p-regular.woff') format('woff');
+        src: url('../../../WPT/wpt/fonts/mplus-1p-regular.woff') format('woff');
         }
         .test span {
         text-transform: full-width;