Tests needed: menu.inc

This information is from the code coverage report (see http://coverage.cwgordon.com/coverage).

We need to test:

#293511: TestingParty08: menu_set_item().
#293514: TestingParty08: menu_rebuild_needed
#293515: TestingParty08: test 'title arguments' using t()
#293516: TestingParty08: Adding external paths for a menu item
#293519: TestingParty08: tests for _menu_tree_data()
#293520: TestingParty08: menu_get_names()
#293525: TestingParty08: Setting the main menu as the secondary menu
8) menu_navigation_links() with no menu name.
9) menu_navigation_links() such that menu_tree_data() returns an actual tree.
10) theme_menu_local_tasks() (change out of garland theme).
11) menu_link_load() with an invalid mlid.
12) Customizing the navigation menu tree.
13) Deleting menu links.
14) Attempt to save a link too deeply nested.
15) Changing menu names (e.g. Navigation).
16) menu_link_maintain().
17) Attempting to save a menu item with missing access callback/arguments.
18) Setting '' as a menu link.