diff --git a/testing/web-platform/tests/shared-storage/web-locks-pa-worklet-batch-update.tentative.https.window.js b/testing/web-platform/tests/shared-storage/web-locks-pa-worklet-batch-update.tentative.https.window.js
new file mode 100644
index 000000000000..76d20fa59efe
--- /dev/null
+++ b/testing/web-platform/tests/shared-storage/web-locks-pa-worklet-batch-update.tentative.https.window.js
@@ -0,0 +1,102 @@
+
+
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+
+
+"use strict;"
+
+subsetTest(promise_test, async test => {
+  let worklet = await sharedStorage.createWorklet('resources/simple-module.js');
+
+  const ancestor_key = token();
+  let url0 = generateURL("/shared-storage/resources/frame0.html",
+                         [ancestor_key]);
+  let url1 = generateURL("/shared-storage/resources/frame1.html",
+                         [ancestor_key]);
+
+  
+  
+  RESOURCE_PATH = '/fledge/tentative/resources/';
+
+  const pa_uuid = generateUuid(test);
+
+  let biddingLogicURL = createBiddingScriptURL(
+    {
+      generateBid:
+        `
+          sharedStorage.batchUpdate([
+              new SharedStorageAppendMethod('key', 'a'),
+              new SharedStorageAppendMethod('key', 'a')
+            ], {withLock: 'lock1'});
+
+          return {};
+        `
+    });
+
+  let decisionLogicURL = createDecisionScriptURL(pa_uuid);
+
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  
+  let select_url_result = await worklet.selectURL(
+      "get-wait-set-within-lock",
+      [{url: url0}, {url: url1}],
+      {data: {'key': 'key',
+              'lock_name': 'lock1',
+              'append_letter': 'a'},
+      resolveToConfig: true});
+
+  
+  const startWaitTime = Date.now();
+  while (Date.now() - startWaitTime < 100) {}
+
+  
+  
+  await joinGroupAndRunBasicFledgeTestExpectingNoWinner(
+    test,
+    {
+      uuid: pa_uuid,
+      interestGroupOverrides: {
+        name: pa_uuid,
+        biddingLogicURL: biddingLogicURL,
+      },
+      auctionConfigOverrides: {
+        decisionLogicURL: decisionLogicURL
+      }
+    });
+
+  attachFencedFrame(select_url_result, 'opaque-ads');
+  const result = await nextValueFromServer(ancestor_key);
+  assert_equals(result, "frame1_loaded");
+
+  await verifyKeyValueForOrigin('key', 'aaa', location.origin);
+
+  await deleteKeyForOrigin('key', location.origin);
+}, 'Test for batchUpdate() with a batch lock in a Protected Audience Worklet context');