add a killall to the test script, fix a method declaration

test

@@ -4,6 +4,8 @@ sudo rm -rf /usr/lib/linuxmint/mintMenu
 sudo cp -R usr /
 sudo glib-compile-schemas /usr/share/glib-2.0/schemas
 
+killall -q mintmenu
+
 mate-terminal --maximize -e /usr/lib/linuxmint/mintMenu/mintMenu.py
 
 mate-panel-test-applets --iid MintMenuAppletFactory::MintMenuApplet

usr/lib/linuxmint/mintMenu/mintMenu.py

@@ -94,8 +94,8 @@ class MainWindow(object):
         self.PopulatePlugins()
         self.firstTime = True
 
-    @staticmethod
-    def on_window1_destroy (self, widget, data=None):
+    @classmethod
+    def on_window1_destroy (widget, data=None):
         Gtk.main_quit()
         sys.exit(0)