Bug 1181683 - Update test_anchor_ping.html to disable mixed active content blocking. ping is now considered mixed active so the mixed content pings in this test would get blocked and fail without this change. r=ttaubert

dom/html/test/test_anchor_ping.html

@@ -40,10 +40,12 @@ let tests = [
   function* setup() {
     Services.prefs.setBoolPref("browser.send_pings", true);
     Services.prefs.setIntPref("browser.send_pings.max_per_link", -1);
+    Services.prefs.setBoolPref("security.mixed_content.block_active_content", false);
 
     SimpleTest.registerCleanupFunction(() => {
       Services.prefs.clearUserPref("browser.send_pings");
       Services.prefs.clearUserPref("browser.send_pings.max_per_link");
+      Services.prefs.clearUserPref("security.mixed_content.block_active_content");
     });
   },