--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -378566,17 +378566,19 @@
     [
      "/webdriver/tests/get_window_rect.py",
      {}
     ]
    ],
    "webdriver/tests/interaction/element_clear.py": [
     [
      "/webdriver/tests/interaction/element_clear.py",
-     {}
+     {
+      "timeout": "long"
+     }
     ]
    ],
    "webdriver/tests/interaction/send_keys_content_editable.py": [
     [
      "/webdriver/tests/interaction/send_keys_content_editable.py",
      {}
     ]
    ],
@@ -573801,17 +573803,17 @@
    "1b6e111056101c88623eda6148042c310a5b7a6d",
    "testharness"
   ],
   "resource-timing/resource_subframe_self_navigation.html": [
    "072eb2cd05a0711abc498f4180738aef7d1bf282",
    "testharness"
   ],
   "resource-timing/resource_timing.worker.js": [
-   "c458be6cb1c70c151761f69b07d92163a30001f5",
+   "352213c5bc7533afa10003da93dfb399a101c224",
    "testharness"
   ],
   "resource-timing/resources/TAOResponse.py": [
    "9e8051a2ff8fff72b36ed1cecb61f9e7bba29071",
    "support"
   ],
   "resource-timing/resources/blue.png": [
    "99949c515749e66f471c3589ee7a0ef518aaccb5",
@@ -583629,17 +583631,17 @@
    "817011a8cdff7cfd7e445fb8ecb84e5d91f03993",
    "wdspec"
   ],
   "webdriver/tests/get_window_rect.py": [
    "c9139c16aa950c734c776887d6a762b867790812",
    "wdspec"
   ],
   "webdriver/tests/interaction/element_clear.py": [
-   "5c98f889dcb136df05befbae8af75bb8c71f5b23",
+   "7d0a8199890afb97894c363af7ef342b5ed5cef3",
    "wdspec"
   ],
   "webdriver/tests/interaction/send_keys_content_editable.py": [
    "9c071e60e1203cf31120f20874b5f38ba41dacc3",
    "wdspec"
   ],
   "webdriver/tests/interface.html": [
    "6625887cfa7f461dc428c11861fce71c47bef57d",

--- a/testing/web-platform/mozilla/meta/MANIFEST.json
+++ b/testing/web-platform/mozilla/meta/MANIFEST.json
@@ -1418,17 +1418,17 @@
    "332a192149e2cede2d9219432fd3c6085ac69f68",
    "support"
   ],
   "wasm/js/globals.wast.js": [
    "86b3c907edd8bb3867c5a5aaaebf6066a215b154",
    "support"
   ],
   "wasm/js/harness/index.js": [
-   "654a29a03543230ddd2db8f8a3398f33233cbf69",
+   "b1af046bac238e99d0bc73cc89faf3030149340f",
    "support"
   ],
   "wasm/js/harness/wasm-constants.js": [
    "6aba4f5fb4127cd56e1381bfb18204edde41abb2",
    "support"
   ],
   "wasm/js/harness/wasm-module-builder.js": [
    "d989de51de5092642de1ea9a1d2d9edc0e605031",

--- a/testing/web-platform/tests/webdriver/tests/interaction/element_clear.py
+++ b/testing/web-platform/tests/webdriver/tests/interaction/element_clear.py
@@ -1,8 +1,10 @@
+# META: timeout=long
+
 import pytest
 
 from tests.support.asserts import (
     assert_element_has_focus,
     assert_error,
     assert_success,
 )
 from tests.support.inline import inline