tests: update for TB 145

Author: marmarek

tests/test_thunderbird.py

@@ -233,7 +233,7 @@ def configure_openpgp_account(tb):
     key_manager.findChild(
         GenericPredicate(name='Import Public Key(s) From File',
                          roleName='menu item')).doActionNamed('click')
-    file_chooser = tb.app.findChild(GenericPredicate(name='Import OpenPGP Key File',
+    file_chooser = tb.app.findChild(GenericPredicate(name='Import OpenPGP Key File.*',
                                                  roleName='file chooser'))
     # wait for dialog to completely initialize, otherwise it may try to click
     # on "Home" before it is active.