diff --git a/testing/web-platform/meta/MANIFEST.json b/testing/web-platform/meta/MANIFEST.json
index 4b042a085cb6..7eef1a9325dc 100644
--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -300854,26 +300854,6 @@
      {}
     ]
    ],
-   "storage/resources/storagemanager-persist-worker.js": [
-    [
-     {}
-    ]
-   ],
-   "storage/resources/storagemanager-persisted-worker.js": [
-    [
-     {}
-    ]
-   ],
-   "storage/storage-estimate-indexeddb.js": [
-    [
-     {}
-    ]
-   ],
-   "storage/storage-persisted.js": [
-    [
-     {}
-    ]
-   ],
    "streams/META.yml": [
     [
      {}
@@ -392190,21 +392170,23 @@
      {}
     ]
    ],
-   "storage/estimate-indexeddb-worker.https.html": [
+   "storage/estimate-indexeddb.https.any.js": [
     [
-     "/storage/estimate-indexeddb-worker.https.html",
+     "/storage/estimate-indexeddb.https.any.html",
+     {}
+    ],
+    [
+     "/storage/estimate-indexeddb.https.any.worker.html",
      {}
     ]
    ],
-   "storage/estimate-indexeddb.https.html": [
+   "storage/estimate-parallel.https.any.js": [
     [
-     "/storage/estimate-indexeddb.https.html",
+     "/storage/estimate-parallel.https.any.html",
      {}
-    ]
-   ],
-   "storage/estimate-parallel.https.html": [
+    ],
     [
-     "/storage/estimate-parallel.https.html",
+     "/storage/estimate-parallel.https.any.worker.html",
      {}
     ]
    ],
@@ -392218,51 +392200,51 @@
      {}
     ]
    ],
-   "storage/opaque-origin.https.html": [
+   "storage/opaque-origin.https.window.js": [
     [
-     "/storage/opaque-origin.https.html",
+     "/storage/opaque-origin.https.window.html",
      {}
     ]
    ],
-   "storage/persisted-worker.https.html": [
+   "storage/persisted.https.any.js": [
     [
-     "/storage/persisted-worker.https.html",
+     "/storage/persisted.https.any.html",
+     {}
+    ],
+    [
+     "/storage/persisted.https.any.worker.html",
      {}
     ]
    ],
-   "storage/persisted.https.html": [
+   "storage/storagemanager-estimate.https.any.js": [
     [
-     "/storage/persisted.https.html",
+     "/storage/storagemanager-estimate.https.any.html",
+     {}
+    ],
+    [
+     "/storage/storagemanager-estimate.https.any.worker.html",
      {}
     ]
    ],
-   "storage/storagemanager-estimate.https.html": [
+   "storage/storagemanager-persist.https.window.js": [
     [
-     "/storage/storagemanager-estimate.https.html",
+     "/storage/storagemanager-persist.https.window.html",
      {}
     ]
    ],
-   "storage/storagemanager-persist-worker.https.html": [
+   "storage/storagemanager-persist.https.worker.js": [
     [
-     "/storage/storagemanager-persist-worker.https.html",
+     "/storage/storagemanager-persist.https.worker.html",
      {}
     ]
    ],
-   "storage/storagemanager-persist.https.html": [
+   "storage/storagemanager-persisted.https.any.js": [
     [
-     "/storage/storagemanager-persist.https.html",
+     "/storage/storagemanager-persisted.https.any.html",
      {}
-    ]
-   ],
-   "storage/storagemanager-persisted-worker.https.html": [
+    ],
     [
-     "/storage/storagemanager-persisted-worker.https.html",
-     {}
-    ]
-   ],
-   "storage/storagemanager-persisted.https.html": [
-    [
-     "/storage/storagemanager-persisted.https.html",
+     "/storage/storagemanager-persisted.https.any.worker.html",
      {}
     ]
    ],
@@ -636357,72 +636339,44 @@
    "d95c3ce8cff5d5f5428ee14c555c556c68f7f2a4",
    "support"
   ],
-  "storage/estimate-indexeddb-worker.https.html": [
-   "2366760bdbed833b382a1adad350771bf3da7bb7",
+  "storage/estimate-indexeddb.https.any.js": [
+   "3e34ad19babf53da04974ceafe0fd4cb7be33621",
    "testharness"
   ],
-  "storage/estimate-indexeddb.https.html": [
-   "3f5e1589d346e075e93fb08f5edf1b64d23643ec",
-   "testharness"
-  ],
-  "storage/estimate-parallel.https.html": [
-   "571b08cd5e211424035ec4fd7632d07548e4261c",
+  "storage/estimate-parallel.https.any.js": [
+   "090f004b8514bc9c99e8f85f9e8f9073dff2a263",
    "testharness"
   ],
   "storage/idlharness.https.any.js": [
    "0ce4d5a0c8fccf07f6908a7a9ac9ac5ab5df6624",
    "testharness"
   ],
-  "storage/opaque-origin.https.html": [
-   "563f2fea3c51627d919451cde1664703e4e87fe4",
+  "storage/opaque-origin.https.window.js": [
+   "3e101dde6759b2b8c379d6adc95190742328630f",
    "testharness"
   ],
   "storage/persist-permission-manual.https.html": [
    "aa49900d69562284e35d8d1a4c4d5946586464ac",
    "manual"
   ],
-  "storage/persisted-worker.https.html": [
-   "21f5c8bd92d849851994267c3d3459237f4bfa5c",
+  "storage/persisted.https.any.js": [
+   "57e15f0e811de3e94652b2f16c5482a94be63c24",
    "testharness"
   ],
-  "storage/persisted.https.html": [
-   "a5a91ff0b2632d07d9b5ae681f1f9786afa686e6",
+  "storage/storagemanager-estimate.https.any.js": [
+   "d1d2e21924cd016165b02436dea994f44c193cd9",
    "testharness"
   ],
-  "storage/resources/storagemanager-persist-worker.js": [
-   "1152e4ec7349b5cfccb2cad5d267c910c85632d2",
-   "support"
-  ],
-  "storage/resources/storagemanager-persisted-worker.js": [
-   "979c8be3cd39377df9ef4e4a42a8601612a471e3",
-   "support"
-  ],
-  "storage/storage-estimate-indexeddb.js": [
-   "5f7895350ef5235099d9d0fd343578b30b47883e",
-   "support"
-  ],
-  "storage/storage-persisted.js": [
-   "5bc86fea951973180570434b572604c0fcc2eb22",
-   "support"
-  ],
-  "storage/storagemanager-estimate.https.html": [
-   "08a699adfb001a7cfded79f462d2f0261c2f5149",
+  "storage/storagemanager-persist.https.window.js": [
+   "13e17a16e14198e21b0b5984ed46c93a50daed41",
    "testharness"
   ],
-  "storage/storagemanager-persist-worker.https.html": [
-   "9c89a2f6712575001da0a4758d25ca6716bae3ae",
+  "storage/storagemanager-persist.https.worker.js": [
+   "fcf8175f706fe131c84ed2ac2a022e676d618c40",
    "testharness"
   ],
-  "storage/storagemanager-persist.https.html": [
-   "61624fe272a610d3454ea2e245cdc6dbf6f59647",
-   "testharness"
-  ],
-  "storage/storagemanager-persisted-worker.https.html": [
-   "75004946164d59032228861cb854ae3e470723a0",
-   "testharness"
-  ],
-  "storage/storagemanager-persisted.https.html": [
-   "1d88c11bd8aace12223fb94845f1fb270a7b8877",
+  "storage/storagemanager-persisted.https.any.js": [
+   "70999406690fb26b7bc154093d826d7c0b8cf72c",
    "testharness"
   ],
   "streams/META.yml": [
diff --git a/testing/web-platform/tests/storage/estimate-indexeddb-worker.https.html b/testing/web-platform/tests/storage/estimate-indexeddb-worker.https.html
deleted file mode 100644
index 2366760bdbed..000000000000
--- a/testing/web-platform/tests/storage/estimate-indexeddb-worker.https.html
+++ /dev/null
@@ -1,16 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta charset="utf-8">
-    <title>StorageManager: estimate() for indexeddb from worker</title>
-    <meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-estimate">
-    <meta name="author" title="Mozilla" href="https://www.mozilla.org">
-    <script src="/resources/testharness.js"></script>
-    <script src="/resources/testharnessreport.js"></script>
-  </head>
-  <body>
-    <script>
-      fetch_tests_from_worker(new Worker("storage-estimate-indexeddb.js"));
-    </script>
-  </body>
-</html>
diff --git a/testing/web-platform/tests/storage/storage-estimate-indexeddb.js b/testing/web-platform/tests/storage/estimate-indexeddb.https.any.js
similarity index 61%
rename from testing/web-platform/tests/storage/storage-estimate-indexeddb.js
rename to testing/web-platform/tests/storage/estimate-indexeddb.https.any.js
index 5f7895350ef5..3e34ad19babf 100644
--- a/testing/web-platform/tests/storage/storage-estimate-indexeddb.js
+++ b/testing/web-platform/tests/storage/estimate-indexeddb.https.any.js
@@ -1,15 +1,13 @@
-if (this.document === undefined) {
-  importScripts("/resources/testharness.js");
-}
+// META: title=StorageManager: estimate() for indexeddb
 
-test(function(t) {
+test(t => {
   assert_true('estimate' in navigator.storage);
   assert_equals(typeof navigator.storage.estimate, 'function');
   assert_true(navigator.storage.estimate() instanceof Promise);
 }, 'estimate() method exists and returns a Promise');
 
-promise_test(function(t) {
-  return navigator.storage.estimate().then(function(result) {
+promise_test(t => {
+  return navigator.storage.estimate().then(result => {
     assert_true(typeof result === 'object');
     assert_true('usage' in result);
     assert_equals(typeof result.usage, 'number');
@@ -18,20 +16,20 @@ promise_test(function(t) {
   });
 }, 'estimate() resolves to dictionary with members');
 
-promise_test(function(t) {
+promise_test(t => {
   const arraySize = 1e6;
   const objectStoreName = "storageManager";
   const dbname = this.window ? window.location.pathname :
-  	   "estimate-worker.https.html";
+        "estimate-worker.https.html";
 
   let db;
   let usageBeforeCreate, usageAfterCreate, usageAfterPut;
 
   function deleteDB(name) {
-    return new Promise(function(resolve, reject) {
+    return new Promise((resolve, reject) => {
       let deleteRequest = indexedDB.deleteDatabase(name);
-      deleteRequest.onerror = function() { reject(deleteRequest.error); };
-      deleteRequest.onsuccess = function() { resolve(); };
+      deleteRequest.onerror = () => { reject(deleteRequest.error); };
+      deleteRequest.onsuccess = () => { resolve(); };
     });
   }
 
@@ -41,13 +39,13 @@ promise_test(function(t) {
   })
   .then(estimate => {
     usageBeforeCreate = estimate.usage;
-    return new Promise(function(resolve, reject) {
+    return new Promise((resolve, reject) => {
       let openRequest = indexedDB.open(dbname);
-      openRequest.onerror = function() { reject(openRequest.error); };
-      openRequest.onupgradeneeded = function(event) {
+      openRequest.onerror = () => { reject(openRequest.error); };
+      openRequest.onupgradeneeded = event => {
         openRequest.result.createObjectStore(objectStoreName);
       };
-      openRequest.onsuccess = function() { resolve(openRequest.result); };
+      openRequest.onsuccess = () => { resolve(openRequest.result); };
     });
   })
   .then(connection => {
@@ -56,8 +54,9 @@ promise_test(function(t) {
   })
   .then(estimate => {
     usageAfterCreate = estimate.usage;
-    assert_greater_than(usageAfterCreate, usageBeforeCreate,
-  	                'estimated usage should increase after object store is created');
+    assert_greater_than(
+      usageAfterCreate, usageBeforeCreate,
+      'estimated usage should increase after object store is created');
 
     let txn = db.transaction(objectStoreName, 'readwrite');
     let buffer = new ArrayBuffer(arraySize);
@@ -70,9 +69,9 @@ promise_test(function(t) {
     let testBlob = new Blob([buffer], {type: "binary/random"});
     txn.objectStore(objectStoreName).add(testBlob, 1);
 
-    return new Promise(function(resolve, reject) {
-      txn.onabort = function() { reject(txn.error); };
-      txn.oncomplete = function() { resolve(); };
+    return new Promise((resolve, reject) => {
+      txn.onabort = () => { reject(txn.error); };
+      txn.oncomplete = () => { resolve(); };
     });
   })
   .then(() => {
@@ -80,15 +79,14 @@ promise_test(function(t) {
   })
   .then(estimate => {
     usageAfterPut = estimate.usage;
-    assert_greater_than(usageAfterPut, usageAfterCreate,
-  	                'estimated usage should increase after large value is stored');
+    assert_greater_than(
+      usageAfterPut, usageAfterCreate,
+      'estimated usage should increase after large value is stored');
 
     db.close();
-    return deleteDB(dbname)
+    return deleteDB(dbname);
   })
   .then(() => {
     t.done();
-  })
+  });
 }, 'estimate() shows usage increase after large value is stored');
-
-done();
diff --git a/testing/web-platform/tests/storage/estimate-indexeddb.https.html b/testing/web-platform/tests/storage/estimate-indexeddb.https.html
deleted file mode 100644
index 3f5e1589d346..000000000000
--- a/testing/web-platform/tests/storage/estimate-indexeddb.https.html
+++ /dev/null
@@ -1,14 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta charset="utf-8">
-    <title>StorageManager: estimate() for indexeddb</title>
-    <meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-estimate">
-    <meta name="author" title="Mozilla" href="https://www.mozilla.org">
-    <script src="/resources/testharness.js"></script>
-    <script src="/resources/testharnessreport.js"></script>
-  </head>
-  <body>
-    <script src="storage-estimate-indexeddb.js"></script>
-  </body>
-</html>
diff --git a/testing/web-platform/tests/storage/estimate-parallel.https.html b/testing/web-platform/tests/storage/estimate-parallel.https.any.js
similarity index 59%
rename from testing/web-platform/tests/storage/estimate-parallel.https.html
rename to testing/web-platform/tests/storage/estimate-parallel.https.any.js
index 571b08cd5e21..090f004b8514 100644
--- a/testing/web-platform/tests/storage/estimate-parallel.https.html
+++ b/testing/web-platform/tests/storage/estimate-parallel.https.any.js
@@ -1,10 +1,5 @@
-<!DOCTYPE html>
-<meta charset="utf-8">
-<title>StorageManager: multiple estimate() calls in parallel</title>
-<meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-estimate">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script>
+// META: title=StorageManager: multiple estimate() calls in parallel
+
 promise_test(async t => {
   let r1, r2;
   await Promise.all([
@@ -16,4 +11,3 @@ promise_test(async t => {
   assert_true(('usage' in r2) && ('quota' in r2),
               'second response should have expected fields');
 }, 'Multiple estimate() calls in parallel should complete');
-</script>
diff --git a/testing/web-platform/tests/storage/opaque-origin.https.html b/testing/web-platform/tests/storage/opaque-origin.https.window.js
similarity index 91%
rename from testing/web-platform/tests/storage/opaque-origin.https.html
rename to testing/web-platform/tests/storage/opaque-origin.https.window.js
index 563f2fea3c51..3e101dde6759 100644
--- a/testing/web-platform/tests/storage/opaque-origin.https.html
+++ b/testing/web-platform/tests/storage/opaque-origin.https.window.js
@@ -1,9 +1,4 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>StorageManager API and opaque origins</title>
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script>
+// META: title=StorageManager API and opaque origins
 
 function load_iframe(src, sandbox) {
   return new Promise(resolve => {
@@ -76,4 +71,3 @@ function make_script(snippet) {
       });
   }, `${snippet} in sandboxed iframe should reject with TypeError`);
 });
-</script>
diff --git a/testing/web-platform/tests/storage/persisted-worker.https.html b/testing/web-platform/tests/storage/persisted-worker.https.html
deleted file mode 100644
index 21f5c8bd92d8..000000000000
--- a/testing/web-platform/tests/storage/persisted-worker.https.html
+++ /dev/null
@@ -1,16 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta charset="utf-8">
-    <title>StorageManager: persisted() from worker</title>
-    <meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-persisted">
-    <meta name="author" title="Mozilla" href="https://www.mozilla.org">
-    <script src="/resources/testharness.js"></script>
-    <script src="/resources/testharnessreport.js"></script>
-  </head>
-  <body>
-    <script>
-      fetch_tests_from_worker(new Worker("storage-persisted.js"));
-    </script>
-  </body>
-</html>
diff --git a/testing/web-platform/tests/storage/storage-persisted.js b/testing/web-platform/tests/storage/persisted.https.any.js
similarity index 84%
rename from testing/web-platform/tests/storage/storage-persisted.js
rename to testing/web-platform/tests/storage/persisted.https.any.js
index 5bc86fea9519..57e15f0e811d 100644
--- a/testing/web-platform/tests/storage/storage-persisted.js
+++ b/testing/web-platform/tests/storage/persisted.https.any.js
@@ -1,6 +1,4 @@
-if (this.document === undefined) {
-  importScripts("/resources/testharness.js");
-}
+// META: title=StorageManager: persisted()
 
 test(function(t) {
   assert_true('persisted' in navigator.storage);
@@ -14,5 +12,3 @@ promise_test(function(t) {
     assert_equals(result, false);
   });
 }, 'persisted() returns a promise and resolves as boolean with false');
-
-done();
diff --git a/testing/web-platform/tests/storage/persisted.https.html b/testing/web-platform/tests/storage/persisted.https.html
deleted file mode 100644
index a5a91ff0b263..000000000000
--- a/testing/web-platform/tests/storage/persisted.https.html
+++ /dev/null
@@ -1,14 +0,0 @@
-<!DOCTYPE html>
-<html>
-  <head>
-    <meta charset="utf-8">
-    <title>StorageManager: persisted()</title>
-    <meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-persisted">
-    <meta name="author" title="Mozilla" href="https://www.mozilla.org">
-    <script src="/resources/testharness.js"></script>
-    <script src="/resources/testharnessreport.js"></script>
-  </head>
-  <body>
-    <script src="storage-persisted.js"></script>
-  </body>
-</html>
diff --git a/testing/web-platform/tests/storage/resources/storagemanager-persisted-worker.js b/testing/web-platform/tests/storage/resources/storagemanager-persisted-worker.js
deleted file mode 100644
index 979c8be3cd39..000000000000
--- a/testing/web-platform/tests/storage/resources/storagemanager-persisted-worker.js
+++ /dev/null
@@ -1,13 +0,0 @@
-importScripts('/resources/testharness.js');
-
-promise_test(function() {
-  var promise = navigator.storage.persisted();
-  assert_true(promise instanceof Promise,
-              'navigator.storage.persisted() returned a Promise.');
-  return promise.then(function (result) {
-    assert_equals(typeof result, 'boolean',
-                  result + ' should be a boolean');
-  });
-}, 'navigator.storage.persisted returns a promise that resolves.');
-
-done();
diff --git a/testing/web-platform/tests/storage/storagemanager-estimate.https.html b/testing/web-platform/tests/storage/storagemanager-estimate.https.any.js
similarity index 88%
rename from testing/web-platform/tests/storage/storagemanager-estimate.https.html
rename to testing/web-platform/tests/storage/storagemanager-estimate.https.any.js
index 08a699adfb00..d1d2e21924cd 100644
--- a/testing/web-platform/tests/storage/storagemanager-estimate.https.html
+++ b/testing/web-platform/tests/storage/storagemanager-estimate.https.any.js
@@ -1,10 +1,4 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>StorageManager: estimate()</title>
-<meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-estimate">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script>
+// META: title=StorageManager: estimate()
 
 test(function(t) {
     assert_true(navigator.storage.estimate() instanceof Promise);
@@ -64,5 +58,3 @@ promise_test(function(t) {
                                 'estimated usage should increase');
         });
 }, 'estimate() shows usage increase after 1MB IndexedDB record is stored');
-
-</script>
diff --git a/testing/web-platform/tests/storage/storagemanager-persist-worker.https.html b/testing/web-platform/tests/storage/storagemanager-persist-worker.https.html
deleted file mode 100644
index 9c89a2f67125..000000000000
--- a/testing/web-platform/tests/storage/storagemanager-persist-worker.https.html
+++ /dev/null
@@ -1,10 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>StorageManager: persist() (worker)</title>
-<meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-persist">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script>
-var worker = new Worker('resources/storagemanager-persist-worker.js');
-fetch_tests_from_worker(worker);
-</script>
diff --git a/testing/web-platform/tests/storage/storagemanager-persist.https.html b/testing/web-platform/tests/storage/storagemanager-persist.https.window.js
similarity index 56%
rename from testing/web-platform/tests/storage/storagemanager-persist.https.html
rename to testing/web-platform/tests/storage/storagemanager-persist.https.window.js
index 61624fe272a6..13e17a16e141 100644
--- a/testing/web-platform/tests/storage/storagemanager-persist.https.html
+++ b/testing/web-platform/tests/storage/storagemanager-persist.https.window.js
@@ -1,10 +1,4 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>StorageManager: persist()</title>
-<meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-persist">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script>
+// META: title=StorageManager: persist()
 
 promise_test(function() {
     var promise = navigator.storage.persist();
@@ -14,5 +8,3 @@ promise_test(function() {
         assert_equals(typeof result, 'boolean', result + ' should be boolean');
     });
 }, 'navigator.storage.persist() returns a promise that resolves.');
-
-</script>
diff --git a/testing/web-platform/tests/storage/resources/storagemanager-persist-worker.js b/testing/web-platform/tests/storage/storagemanager-persist.https.worker.js
similarity index 59%
rename from testing/web-platform/tests/storage/resources/storagemanager-persist-worker.js
rename to testing/web-platform/tests/storage/storagemanager-persist.https.worker.js
index 1152e4ec7349..fcf8175f706f 100644
--- a/testing/web-platform/tests/storage/resources/storagemanager-persist-worker.js
+++ b/testing/web-platform/tests/storage/storagemanager-persist.https.worker.js
@@ -1,4 +1,5 @@
-importScripts('/resources/testharness.js');
+// META: title=StorageManager: persist() (worker)
+importScripts("/resources/testharness.js");
 
 test(function() {
   assert_false('persist' in navigator.storage);
diff --git a/testing/web-platform/tests/storage/storagemanager-persisted-worker.https.html b/testing/web-platform/tests/storage/storagemanager-persisted-worker.https.html
deleted file mode 100644
index 75004946164d..000000000000
--- a/testing/web-platform/tests/storage/storagemanager-persisted-worker.https.html
+++ /dev/null
@@ -1,10 +0,0 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>StorageManager: persisted() (worker)</title>
-<meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-persisted">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script>
-var worker = new Worker('resources/storagemanager-persisted-worker.js');
-fetch_tests_from_worker(worker);
-</script>
diff --git a/testing/web-platform/tests/storage/storagemanager-persisted.https.html b/testing/web-platform/tests/storage/storagemanager-persisted.https.any.js
similarity index 56%
rename from testing/web-platform/tests/storage/storagemanager-persisted.https.html
rename to testing/web-platform/tests/storage/storagemanager-persisted.https.any.js
index 1d88c11bd8aa..70999406690f 100644
--- a/testing/web-platform/tests/storage/storagemanager-persisted.https.html
+++ b/testing/web-platform/tests/storage/storagemanager-persisted.https.any.js
@@ -1,10 +1,4 @@
-<!DOCTYPE html>
-<meta charset=utf-8>
-<title>StorageManager: persist()</title>
-<meta name="help" href="https://storage.spec.whatwg.org/#dom-storagemanager-persist">
-<script src="/resources/testharness.js"></script>
-<script src="/resources/testharnessreport.js"></script>
-<script>
+// META: title=StorageManager: persisted()
 
 promise_test(function() {
     var promise = navigator.storage.persisted();
@@ -14,5 +8,3 @@ promise_test(function() {
         assert_equals(typeof result, 'boolean', result + ' should be boolean');
     });
 }, 'navigator.storage.persisted() returns a promise that resolves.');
-
-</script>