--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -36083,19 +36083,21 @@
         "path": "webdriver/navigation.py",
         "url": "/webdriver/navigation.py"
       }
     ]
   },
   "local_changes": {
     "deleted": [
       "WebCryptoAPI/generateKey/failures.worker.js",
-      "WebCryptoAPI/generateKey/successes.worker.js",
+      "web-animations/interfaces/AnimationTimeline/document-timeline.html",
+      "WebCryptoAPI/generateKey/test_failures.html",
       "WebCryptoAPI/generateKey/test_successes.html",
-      "WebCryptoAPI/generateKey/test_failures.html"
+      "web-animations/interfaces/AnimationTimeline/idlharness.html",
+      "WebCryptoAPI/generateKey/successes.worker.js"
     ],
     "deleted_reftests": {},
     "items": {
       "testharness": {
         "WebCryptoAPI/generateKey/failures_AES-CBC.worker.js": [
           {
             "path": "WebCryptoAPI/generateKey/failures_AES-CBC.worker.js",
             "url": "/WebCryptoAPI/generateKey/failures_AES-CBC.worker"
@@ -36396,22 +36398,34 @@
           }
         ],
         "web-animations/interfaces/DocumentTimeline/constructor.html": [
           {
             "path": "web-animations/interfaces/DocumentTimeline/constructor.html",
             "url": "/web-animations/interfaces/DocumentTimeline/constructor.html"
           }
         ],
+        "web-animations/interfaces/DocumentTimeline/idlharness.html": [
+          {
+            "path": "web-animations/interfaces/DocumentTimeline/idlharness.html",
+            "url": "/web-animations/interfaces/DocumentTimeline/idlharness.html"
+          }
+        ],
         "web-animations/interfaces/KeyframeEffectReadOnly/spacing.html": [
           {
             "path": "web-animations/interfaces/KeyframeEffectReadOnly/spacing.html",
             "url": "/web-animations/interfaces/KeyframeEffectReadOnly/spacing.html"
           }
         ],
+        "web-animations/timing-model/timelines/default-document-timeline.html": [
+          {
+            "path": "web-animations/timing-model/timelines/default-document-timeline.html",
+            "url": "/web-animations/timing-model/timelines/default-document-timeline.html"
+          }
+        ],
         "webaudio/the-audio-api/the-audioparam-interface/setTargetAtTime-after-event-within-block.html": [
           {
             "path": "webaudio/the-audio-api/the-audioparam-interface/setTargetAtTime-after-event-within-block.html",
             "url": "/webaudio/the-audio-api/the-audioparam-interface/setTargetAtTime-after-event-within-block.html"
           }
         ],
         "webaudio/the-audio-api/the-audioparam-interface/setValueAtTime-within-block.html": [
           {

rename from testing/web-platform/tests/web-animations/interfaces/AnimationTimeline/idlharness.html
rename to testing/web-platform/tests/web-animations/interfaces/DocumentTimeline/idlharness.html

rename from testing/web-platform/tests/web-animations/interfaces/AnimationTimeline/document-timeline.html
rename to testing/web-platform/tests/web-animations/timing-model/timelines/default-document-timeline.html