1 files changed, 8 insertions, 0 deletions
diff --git a/toolkit/mozapps/extensions/test/xpinstall/browser_datauri.js b/toolkit/mozapps/extensions/test/xpinstall/browser_datauri.js
index 917f2465d1..b24bce4b50 100644
--- a/toolkit/mozapps/extensions/test/xpinstall/browser_datauri.js
+++ b/toolkit/mozapps/extensions/test/xpinstall/browser_datauri.js
@@ -13,6 +13,13 @@ function setup_redirect(aSettings) {
 }
 
 function test() {
+  waitForExplicitFinish();
+  SpecialPowers.pushPrefEnv({
+    "set": [["security.data_uri.block_toplevel_data_uri_navigations", false]]
+  }, runTest);
+}
+
+function runTest() {
   Harness.installOriginBlockedCallback = install_blocked;
   Harness.installsCompletedCallback = finish_test;
   Harness.setup();
@@ -33,4 +40,5 @@ function finish_test(count) {
 
   gBrowser.removeCurrentTab();
   Harness.finish();
+  finish();
 }