Tests: Fix 404 at input-text-to-image.html

Author: https://github.com/shlyakpavel
Commit: https://github.com/LadybirdBrowser/ladybird/commit/577ca65c0ec
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2216
Reviewed-by: https://github.com/AtkinsSJ ✅

Tests/LibWeb/Layout/input/input-text-to-image.html

@@ -1,4 +1,4 @@
-<input type="text" src="120.png" width="120" height="120" />
+<input type="text" src="../../Assets/120.png" width="120" height="120" />
 <script type="text/javascript">
     document.addEventListener("DOMContentLoaded", () => {
         let input = document.querySelector("input");