diff --git a/testing/web-platform/meta/MANIFEST.json b/testing/web-platform/meta/MANIFEST.json
index 1f3b1d561143..f887e036b80a 100644
--- a/testing/web-platform/meta/MANIFEST.json
+++ b/testing/web-platform/meta/MANIFEST.json
@@ -16009,6 +16009,10 @@
         "path": "fetch/api/basic/accept-header.html",
         "url": "/fetch/api/basic/accept-header.html"
       },
+      {
+        "path": "fetch/api/basic/integrity-sharedworker.html",
+        "url": "/fetch/api/basic/integrity-sharedworker.html"
+      },
       {
         "path": "fetch/api/basic/integrity-worker.html",
         "url": "/fetch/api/basic/integrity-worker.html"
diff --git a/testing/web-platform/meta/fetch/api/basic/integrity-worker.html.ini b/testing/web-platform/meta/fetch/api/basic/integrity-worker.html.ini
deleted file mode 100644
index ac2c3309cd93..000000000000
--- a/testing/web-platform/meta/fetch/api/basic/integrity-worker.html.ini
+++ /dev/null
@@ -1,14 +0,0 @@
-[integrity-worker.html]
-  type: testharness
-  [Invalid integrity]
-    expected: FAIL
-
-  [Multiple integrities: invalid stronger than valid]
-    expected: FAIL
-
-  [Multiple integrities: both are invalid]
-    expected: FAIL
-
-  [CORS invalid integrity]
-    expected: FAIL
-
diff --git a/testing/web-platform/meta/fetch/api/basic/integrity.html.ini b/testing/web-platform/meta/fetch/api/basic/integrity.html.ini
deleted file mode 100644
index caefc524dc19..000000000000
--- a/testing/web-platform/meta/fetch/api/basic/integrity.html.ini
+++ /dev/null
@@ -1,14 +0,0 @@
-[integrity.html]
-  type: testharness
-  [Invalid integrity]
-    expected: FAIL
-
-  [Multiple integrities: invalid stronger than valid]
-    expected: FAIL
-
-  [Multiple integrities: both are invalid]
-    expected: FAIL
-
-  [CORS invalid integrity]
-    expected: FAIL
-
diff --git a/testing/web-platform/meta/fetch/api/request/request-clone.sub.html.ini b/testing/web-platform/meta/fetch/api/request/request-clone.sub.html.ini
deleted file mode 100644
index 9f670c672e08..000000000000
--- a/testing/web-platform/meta/fetch/api/request/request-clone.sub.html.ini
+++ /dev/null
@@ -1,5 +0,0 @@
-[request-clone.sub.html]
-  type: testharness
-  [Check cloning a request]
-    expected: FAIL
-
diff --git a/testing/web-platform/meta/fetch/api/request/request-error.html.ini b/testing/web-platform/meta/fetch/api/request/request-error.html.ini
index 7c9b0cf8a096..fc4710461677 100644
--- a/testing/web-platform/meta/fetch/api/request/request-error.html.ini
+++ b/testing/web-platform/meta/fetch/api/request/request-error.html.ini
@@ -3,6 +3,3 @@
   [RequestInit's window is not null]
     expected: FAIL
 
-  [RequestInit's mode is no-cors and integrity is not empty]
-    expected: FAIL
-
diff --git a/testing/web-platform/meta/fetch/api/request/request-idl.html.ini b/testing/web-platform/meta/fetch/api/request/request-idl.html.ini
index bfcf39dbe45d..4eb207662240 100644
--- a/testing/web-platform/meta/fetch/api/request/request-idl.html.ini
+++ b/testing/web-platform/meta/fetch/api/request/request-idl.html.ini
@@ -6,15 +6,9 @@
   [Request interface: attribute destination]
     expected: FAIL
 
-  [Request interface: attribute integrity]
-    expected: FAIL
-
   [Request interface: new Request("") must inherit property "type" with the proper type (3)]
     expected: FAIL
 
   [Request interface: new Request("") must inherit property "destination" with the proper type (4)]
     expected: FAIL
 
-  [Request interface: new Request("") must inherit property "integrity" with the proper type (11)]
-    expected: FAIL
-
diff --git a/testing/web-platform/meta/fetch/api/request/request-init-001.sub.html.ini b/testing/web-platform/meta/fetch/api/request/request-init-001.sub.html.ini
deleted file mode 100644
index 1efcdfaf493b..000000000000
--- a/testing/web-platform/meta/fetch/api/request/request-init-001.sub.html.ini
+++ /dev/null
@@ -1,8 +0,0 @@
-[request-init-001.sub.html]
-  type: testharness
-  [Check integrity init value of  and associated getter]
-    expected: FAIL
-
-  [Check integrity init value of AZERTYUIOP1234567890 and associated getter]
-    expected: FAIL
-
diff --git a/testing/web-platform/meta/fetch/api/request/request-init-003.sub.html.ini b/testing/web-platform/meta/fetch/api/request/request-init-003.sub.html.ini
index e5e3d9856c64..afd15ff271a9 100644
--- a/testing/web-platform/meta/fetch/api/request/request-init-003.sub.html.ini
+++ b/testing/web-platform/meta/fetch/api/request/request-init-003.sub.html.ini
@@ -1,11 +1,5 @@
 [request-init-003.sub.html]
   type: testharness
-  [Check request values when initialized from Request]
-    expected: FAIL
-
-  [Check request values when initialized from Request and init values]
-    expected: FAIL
-
   [Check request values when initialized from url string]
     expected: FAIL
 
diff --git a/testing/web-platform/meta/fetch/api/request/request-structure.html.ini b/testing/web-platform/meta/fetch/api/request/request-structure.html.ini
index 1764b2e7d5f0..876cd71fbfa4 100644
--- a/testing/web-platform/meta/fetch/api/request/request-structure.html.ini
+++ b/testing/web-platform/meta/fetch/api/request/request-structure.html.ini
@@ -6,6 +6,3 @@
   [Check destination attribute]
     expected: FAIL
 
-  [Check integrity attribute]
-    expected: FAIL
-
diff --git a/testing/web-platform/tests/fetch/api/basic/integrity-sharedworker.html b/testing/web-platform/tests/fetch/api/basic/integrity-sharedworker.html
new file mode 100644
index 000000000000..fa90a60ce982
--- /dev/null
+++ b/testing/web-platform/tests/fetch/api/basic/integrity-sharedworker.html
@@ -0,0 +1,15 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>Fetch in sharedworker: integrity handling</title>
+    <meta name="help" href="https://fetch.spec.whatwg.org/#main-fetch">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+  </head>
+  <body>
+    <script>
+      fetch_tests_from_worker(new SharedWorker("integrity.js?pipe=sub"));
+    </script>
+  </body>
+</html>
diff --git a/testing/web-platform/tests/service-workers/service-worker/fetch-event.https.html b/testing/web-platform/tests/service-workers/service-worker/fetch-event.https.html
index b7eda16494a1..a9b0d6ca286e 100644
--- a/testing/web-platform/tests/service-workers/service-worker/fetch-event.https.html
+++ b/testing/web-platform/tests/service-workers/service-worker/fetch-event.https.html
@@ -533,5 +533,44 @@ async_test(function(t) {
       .catch(unreached_rejection(t));
   }, 'Service Worker should intercept EventSource');
 
+async_test(function(t) {
+    var scope = 'resources/simple.html?integrity';
+    var frame;
+    var integrity_metadata = 'gs0nqru8KbsrIt5YToQqS9fYao4GQJXtcId610g7cCU=';
+
+    service_worker_unregister_and_register(t, worker, scope)
+      .then(function(reg) {
+          return wait_for_state(t, reg.installing, 'activated');
+        })
+      .then(function() { return with_iframe(scope); })
+      .then(function(f) {
+          frame = f;
+          // A request has associated integrity metadata (a string).
+          // Unless stated otherwise, it is the empty string.
+          assert_equals(
+            frame.contentDocument.body.textContent, '');
+
+          return new Promise(function(resolve, reject) {
+              return frame.contentWindow.fetch(scope,
+                {'integrity': integrity_metadata})
+                .then(function(response) {
+                    return response.text();
+                })
+                .then(function(response_text) {
+                    // Should get the same integrity metadata.
+                    assert_equals(response_text, integrity_metadata,
+                                  'Service Worker should respond to fetch with the correct integrity');
+                })
+                .then(resolve())
+                .catch(reject());
+          });
+        })
+      .then(function() {
+          frame.remove();
+          return service_worker_unregister_and_done(t, scope);
+      })
+      .catch(unreached_rejection(t));
+  }, 'Service Worker responds to fetch event with the correct integrity_metadata');
+
 </script>
 </body>
diff --git a/testing/web-platform/tests/service-workers/service-worker/resources/fetch-event-test-worker.js b/testing/web-platform/tests/service-workers/service-worker/resources/fetch-event-test-worker.js
index 44ea828c6860..32a1b4f24970 100644
--- a/testing/web-platform/tests/service-workers/service-worker/resources/fetch-event-test-worker.js
+++ b/testing/web-platform/tests/service-workers/service-worker/resources/fetch-event-test-worker.js
@@ -111,6 +111,10 @@ function handleEventSource(event) {
   ));
 }
 
+function handleIntegrity(event) {
+  event.respondWith(new Response(event.request.integrity));
+}
+
 self.addEventListener('fetch', function(event) {
     var url = event.request.url;
     var handlers = [
@@ -129,6 +133,7 @@ self.addEventListener('fetch', function(event) {
       { pattern: '?fragment-check', fn: handleFragmentCheck },
       { pattern: '?cache', fn: handleCache },
       { pattern: '?eventsource', fn: handleEventSource },
+      { pattern: '?integrity', fn: handleIntegrity },
     ];
 
     var handler = null;