Bug 1408867. Make sure specualtive connections are enabled for tests where it's assumed. r=mcmanus

netwerk/test/unit/test_speculative_connect.js

@@ -4,6 +4,8 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+Cu.import("resource://gre/modules/Services.jsm");
+
 var CC = Components.Constructor;
 const ServerSocket = CC("@mozilla.org/network/server-socket;1",
                         "nsIServerSocket",
@@ -331,6 +333,11 @@ function run_test() {
     ios = Cc["@mozilla.org/network/io-service;1"]
         .getService(Ci.nsIIOService);
 
+    Services.prefs.setIntPref("network.http.speculative-parallel-limit", 6);
+    registerCleanupFunction(() => {
+      Services.prefs.clearUserPref("network.http.speculative-parallel-limit");
+    });
+
     do_test_pending();
     next_test();
 }

toolkit/mozapps/update/tests/unit_aus_update/downloadInterruptedRecoveryChannel.js

@@ -10,6 +10,12 @@ function run_test() {
 
   debugDump("testing recovery of mar download after pause and resume");
 
+  // This test assumes speculative connections enabled.
+  Services.prefs.setIntPref("network.http.speculative-parallel-limit", 6);
+  registerCleanupFunction(() => {
+    Services.prefs.clearUserPref("network.http.speculative-parallel-limit");
+  });
+
   Services.prefs.setBoolPref(PREF_APP_UPDATE_STAGING_ENABLED, false);
   start_httpserver({slowDownload: true});
   setUpdateURL(gURLData + gHTTPHandlerPath);