diff --git a/toolkit/components/antitracking/test/browser/browser.ini b/toolkit/components/antitracking/test/browser/browser.ini
index 468de53a6600..6af5e8b02043 100644
--- a/toolkit/components/antitracking/test/browser/browser.ini
+++ b/toolkit/components/antitracking/test/browser/browser.ini
@@ -29,6 +29,7 @@ support-files = server.sjs
 [browser_imageCache4.js]
 [browser_imageCache5.js]
 [browser_imageCache6.js]
+[browser_imageCache7.js]
 [browser_onBeforeRequestNotificationForTrackingResources.js]
 [browser_onModifyRequestNotificationForTrackingResources.js]
 [browser_permissionInNormalWindows.js]
diff --git a/toolkit/components/antitracking/test/browser/browser_imageCache1.js b/toolkit/components/antitracking/test/browser/browser_imageCache1.js
index 054fe84cd1a8..7caac8d42e61 100644
--- a/toolkit/components/antitracking/test/browser/browser_imageCache1.js
+++ b/toolkit/components/antitracking/test/browser/browser_imageCache1.js
@@ -3,6 +3,7 @@ ChromeUtils.import("resource://gre/modules/Services.jsm");
 let cookieBehavior = BEHAVIOR_REJECT_TRACKER;
 let blockingByContentBlocking = false;
 let blockingByAllowList = false;
+let expectedBlockingNotifications = true;
 
 let rootDir = getRootDirectory(gTestPath);
 let jar = getJar(rootDir);
diff --git a/toolkit/components/antitracking/test/browser/browser_imageCache2.js b/toolkit/components/antitracking/test/browser/browser_imageCache2.js
index 1c63dfb83f78..e781b2713c96 100644
--- a/toolkit/components/antitracking/test/browser/browser_imageCache2.js
+++ b/toolkit/components/antitracking/test/browser/browser_imageCache2.js
@@ -3,6 +3,7 @@ ChromeUtils.import("resource://gre/modules/Services.jsm");
 let cookieBehavior = BEHAVIOR_REJECT_TRACKER;
 let blockingByContentBlocking = true;
 let blockingByAllowList = false;
+let expectedBlockingNotifications = true;
 
 let rootDir = getRootDirectory(gTestPath);
 let jar = getJar(rootDir);
diff --git a/toolkit/components/antitracking/test/browser/browser_imageCache3.js b/toolkit/components/antitracking/test/browser/browser_imageCache3.js
index 054fe84cd1a8..7caac8d42e61 100644
--- a/toolkit/components/antitracking/test/browser/browser_imageCache3.js
+++ b/toolkit/components/antitracking/test/browser/browser_imageCache3.js
@@ -3,6 +3,7 @@ ChromeUtils.import("resource://gre/modules/Services.jsm");
 let cookieBehavior = BEHAVIOR_REJECT_TRACKER;
 let blockingByContentBlocking = false;
 let blockingByAllowList = false;
+let expectedBlockingNotifications = true;
 
 let rootDir = getRootDirectory(gTestPath);
 let jar = getJar(rootDir);
diff --git a/toolkit/components/antitracking/test/browser/browser_imageCache4.js b/toolkit/components/antitracking/test/browser/browser_imageCache4.js
index 57b0d0958037..c4b29529320a 100644
--- a/toolkit/components/antitracking/test/browser/browser_imageCache4.js
+++ b/toolkit/components/antitracking/test/browser/browser_imageCache4.js
@@ -3,6 +3,7 @@ ChromeUtils.import("resource://gre/modules/Services.jsm");
 let cookieBehavior = BEHAVIOR_REJECT_TRACKER;
 let blockingByContentBlocking = true;
 let blockingByAllowList = true;
+let expectedBlockingNotifications = true;
 
 let rootDir = getRootDirectory(gTestPath);
 let jar = getJar(rootDir);
diff --git a/toolkit/components/antitracking/test/browser/browser_imageCache5.js b/toolkit/components/antitracking/test/browser/browser_imageCache5.js
index 4d6d5503c556..9545cb916493 100644
--- a/toolkit/components/antitracking/test/browser/browser_imageCache5.js
+++ b/toolkit/components/antitracking/test/browser/browser_imageCache5.js
@@ -3,6 +3,7 @@ ChromeUtils.import("resource://gre/modules/Services.jsm");
 let cookieBehavior = BEHAVIOR_REJECT_FOREIGN;
 let blockingByContentBlocking = true;
 let blockingByAllowList = true;
+let expectedBlockingNotifications = true;
 
 let rootDir = getRootDirectory(gTestPath);
 let jar = getJar(rootDir);
diff --git a/toolkit/components/antitracking/test/browser/browser_imageCache6.js b/toolkit/components/antitracking/test/browser/browser_imageCache6.js
index 64715f05364d..9c70ea3e3ea5 100644
--- a/toolkit/components/antitracking/test/browser/browser_imageCache6.js
+++ b/toolkit/components/antitracking/test/browser/browser_imageCache6.js
@@ -3,6 +3,7 @@ ChromeUtils.import("resource://gre/modules/Services.jsm");
 let cookieBehavior = BEHAVIOR_REJECT_FOREIGN;
 let blockingByContentBlocking = false;
 let blockingByAllowList = false;
+let expectedBlockingNotifications = true;
 
 let rootDir = getRootDirectory(gTestPath);
 let jar = getJar(rootDir);
diff --git a/toolkit/components/antitracking/test/browser/browser_imageCache7.js b/toolkit/components/antitracking/test/browser/browser_imageCache7.js
new file mode 100644
index 000000000000..3a920d4774a1
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/browser_imageCache7.js
@@ -0,0 +1,19 @@
+ChromeUtils.import("resource://gre/modules/Services.jsm");
+
+/* Setting a custom permission for this website */
+let uriObj = Services.io.newURI(TEST_DOMAIN);
+Services.perms.add(uriObj, "cookie", Services.perms.ALLOW_ACTION);
+
+let cookieBehavior = BEHAVIOR_REJECT_TRACKER;
+let blockingByContentBlocking = false;
+let blockingByAllowList = false;
+let expectedBlockingNotifications = false;
+
+let rootDir = getRootDirectory(gTestPath);
+let jar = getJar(rootDir);
+if (jar) {
+  let tmpdir = extractJarToTmp(jar);
+  rootDir = "file://" + tmpdir.path + "/";
+}
+/* import-globals-from imageCacheWorker.js */
+Services.scriptloader.loadSubScript(rootDir + "imageCacheWorker.js", this);
diff --git a/toolkit/components/antitracking/test/browser/imageCacheWorker.js b/toolkit/components/antitracking/test/browser/imageCacheWorker.js
index 045d735d68b3..f62626ad4aa4 100644
--- a/toolkit/components/antitracking/test/browser/imageCacheWorker.js
+++ b/toolkit/components/antitracking/test/browser/imageCacheWorker.js
@@ -43,7 +43,8 @@ AntiTracking.runTest("Image cache - should load the image twice.",
   null, // cleanup function
   null, // no extra prefs
   false, // no window open test
-  false // no user-interaction test
+  false, // no user-interaction test
+  expectedBlockingNotifications
 );
 
 // We still want to see just 2 requests.