diff --git a/test/validator/samples/a11y-media-has-caption/input.svelte b/test/validator/samples/a11y-media-has-caption/input.svelte
index 8598caa9ad..30f9a05f91 100644
--- a/test/validator/samples/a11y-media-has-caption/input.svelte
+++ b/test/validator/samples/a11y-media-has-caption/input.svelte
@@ -4,3 +4,4 @@
 <audio></audio>
 <video aria-hidden></video>
 <video aria-hidden="false"></video>
+<video aria-hidden="true"></video>
diff --git a/test/validator/samples/a11y-media-has-caption/warnings.json b/test/validator/samples/a11y-media-has-caption/warnings.json
index 72c2caae53..6db618f03c 100644
--- a/test/validator/samples/a11y-media-has-caption/warnings.json
+++ b/test/validator/samples/a11y-media-has-caption/warnings.json
@@ -28,5 +28,35 @@
       "column": 0,
       "line": 3
     }
+  },
+  {
+    "code": "a11y-media-has-caption",
+    "end": {
+      "character": 124,
+      "column": 27,
+      "line": 5
+    },
+    "message": "A11y: <video> elements must have a <track kind=\"captions\">",
+    "pos": 97,
+    "start": {
+      "character": 97,
+      "column": 0,
+      "line": 5
+    }
+  },
+  {
+    "code": "a11y-media-has-caption",
+    "end": {
+      "character": 160,
+      "column": 35,
+      "line": 6
+    },
+    "message": "A11y: <video> elements must have a <track kind=\"captions\">",
+    "pos": 125,
+    "start": {
+      "character": 125,
+      "column": 0,
+      "line": 6
+    }
   }
 ]