Bug 1759590 - Request longer timeout for browser_impipBarExceptionCancel.js r=darktrojan

Differential Revision: https://phabricator.services.mozilla.com/D151603

--HG--
extra : amend_source : 3b2cb075c52b813970642694ff1b203d1edccb50
extra : absorb_source : 050e0ba4bb1f5e33afa4f8cf8bb11128fa1370e9
extra : histedit_source : a5746bbfe80100002a7e087f9f1411618954e458

calendar/test/browser/invitations/browser_imipBarExceptionCancel.js

@@ -28,6 +28,7 @@ let transport;
  * Initialize account, identity and calendar.
  */
 add_setup(async function() {
+  requestLongerTimeout(3);
   let account = MailServices.accounts.createAccount();
   account.incomingServer = MailServices.accounts.createIncomingServer(
     "receiver",