--- a/netwerk/test/mochitests/test_user_agent_updates.html
+++ b/netwerk/test/mochitests/test_user_agent_updates.html
@@ -189,25 +189,28 @@ function testBadUpdate(callback) {
       callback();
     }, false);
     document.getElementById('content').appendChild(ifr);
   }, 5000); });
 }
 
 SimpleTest.waitForExplicitFinish();
 SimpleTest.requestFlakyTimeout("Test sets timeouts to wait for updates to happen.");
-SimpleTest.requestCompleteLog();
 
 SpecialPowers.pushPrefEnv({
   set: [
     [PREF_APP_UPDATE_TIMERMINIMUMDELAY, 0]
   ]
 }, function () {
   chromeScript.sendSyncMessage("UAO-uninit");
 
+  // Sets the OVERRIDES var in the chrome script.
+  // We do this to avoid code duplication.
+  chromeScript.sendSyncMessage("set-overrides", OVERRIDES);
+
   // testProfileLoad, testDownload, and testProfileSave must run in this order
   //  because testDownload depends on testProfileLoad to call UAO.init()
   //  and testProfileSave depends on testDownload to save overrides to the profile
   chromeScript.sendAsyncMessage("testProfileLoad", location.hostname);
 });
 
 
 const chromeScript = SpecialPowers.loadChromeScript(_ => {
@@ -354,14 +357,13 @@ chromeScript.addMessageListener("testPro
 
 chromeScript.addMessageListener("is-message", function(params) {
   let {value, expected, message} = params;
   is(value, expected, message);
 });
 chromeScript.addMessageListener("info-message", function(message) {
   info(message);
 });
-chromeScript.sendAsyncMessage("set-overrides", OVERRIDES);
 
 </script>
 </pre>
 </body>
 </html>