Update example links in documentation. NFC (#26504)

Fixes: #26498

Author: sbc100

site/source/docs/api_reference/html5.h.rst

@@ -179,9 +179,9 @@ Test/Example code
 
 The HTML5 test code demonstrates how to use this API:
 
-  - `test_html5_core.c <https://github.com/emscripten-core/emscripten/blob/main/test/test_html5_core.c>`_
-  - `test_html5_fullscreen.c <https://github.com/emscripten-core/emscripten/blob/main/test/test_html5_fullscreen.c>`_
-  - `test_html5_mouse.c <https://github.com/emscripten-core/emscripten/blob/main/test/test_html5_mouse.c>`_
+  - `test_html5_core.c <https://github.com/emscripten-core/emscripten/blob/main/test/browser/test_html5_core.c>`_
+  - `test_html5_fullscreen.c <https://github.com/emscripten-core/emscripten/blob/main/test/browser/test_html5_fullscreen.c>`_
+  - `test_html5_mouse.c <https://github.com/emscripten-core/emscripten/blob/main/test/browser/test_html5_mouse.c>`_
 
 
 General types