diff --git a/browser/base/content/test/general/browser_mixedcontent_securityflags.js b/browser/base/content/test/general/browser_mixedcontent_securityflags.js
index 853a71205cf..043018d208b 100644
--- a/browser/base/content/test/general/browser_mixedcontent_securityflags.js
+++ b/browser/base/content/test/general/browser_mixedcontent_securityflags.js
@@ -43,6 +43,10 @@ function overrideMCB()
   ok(notification, "Mixed Content Doorhanger should appear");
   notification.reshow();
   ok(PopupNotifications.panel.firstChild.isMixedContentBlocked, "OK: Mixed Content is being blocked");
+
+  // Make sure the notification has no mixedblockdisabled attribute
+  ok(!PopupNotifications.panel.firstChild.hasAttribute("mixedblockdisabled"),
+    "Doorhanger must have no mixedblockdisabled attribute");
   // Click on the doorhanger to allow mixed content (and reload page)
   PopupNotifications.panel.firstChild.disableMixedContentProtection();
   notification.remove();
@@ -56,6 +60,15 @@ function mixedContentOverrideTest()
   is(gTestBrowser.docShell.hasMixedActiveContentLoaded, true, "hasMixedActiveContentLoaded flag has not been set");
   is(gTestBrowser.docShell.hasMixedDisplayContentBlocked, false, "second hasMixedDisplayContentBlocked flag has been set");
   is(gTestBrowser.docShell.hasMixedActiveContentBlocked, false, "second hasMixedActiveContentBlocked flag has been set");
+
+  let notification = PopupNotifications.getNotification("bad-content", gTestBrowser);
+  ok(notification, "Mixed Content Doorhanger should appear");
+  notification.reshow();
+
+  // Make sure the notification has the mixedblockdisabled attribute set to true
+  is(PopupNotifications.panel.firstChild.getAttribute("mixedblockdisabled"), "true",
+    "Doorhanger must have [mixedblockdisabled='true'] attribute");
+
   gBrowser.removeCurrentTab();
   finish();
 }
diff --git a/browser/base/content/test/general/browser_trackingUI.js b/browser/base/content/test/general/browser_trackingUI.js
index 01465085c89..5528357dfbf 100644
--- a/browser/base/content/test/general/browser_trackingUI.js
+++ b/browser/base/content/test/general/browser_trackingUI.js
@@ -68,6 +68,10 @@ function testTrackingPage(gTestBrowser)
   isnot(PopupNotifications.panel.firstChild.isTrackingContentBlocked, 0,
     "Tracking Content is being blocked");
 
+  // Make sure the notification has no trackingblockdisabled attribute
+  ok(!PopupNotifications.panel.firstChild.hasAttribute("trackingblockdisabled"),
+    "Doorhanger must have no trackingblockdisabled attribute");
+
   // Disable Tracking Content Protection for the page (which reloads the page)
   PopupNotifications.panel.firstChild.disableTrackingContentProtection();
 }
@@ -81,6 +85,10 @@ function testTrackingPageWhitelisted(gTestBrowser)
   // Make sure the state of the doorhanger does NOT include blocking tracking elements
   is(PopupNotifications.panel.firstChild.isTrackingContentBlocked, 0,
     "Tracking Content is NOT being blocked");
+
+  // Make sure the notification has the trackingblockdisabled attribute set to true
+  is(PopupNotifications.panel.firstChild.getAttribute("trackingblockdisabled"), "true",
+    "Doorhanger must have [trackingblockdisabled='true'] attribute");
 }
 
 function testTrackingPageOFF(gTestBrowser)