Bug 1482235 - Import AppInfo for test. r=Mardak

Differential Revision: https://phabricator.services.mozilla.com/D3058

--HG--
extra : moz-landing-system : lando

toolkit/components/places/tests/unifiedcomplete/test_PlacesSearchAutocompleteProvider.js

@@ -3,6 +3,8 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 ChromeUtils.import("resource://gre/modules/PlacesSearchAutocompleteProvider.jsm");
+ChromeUtils.import("resource://testing-common/AppInfo.jsm");
+updateAppInfo();
 
 add_task(async function() {
     // Tell the search service we are running in the US.  This also has the