Tests switching another user's shortcut set.
function testShortcutSetAssign() {
$new_set = $this
->generateShortcutSet($this
->randomName(10));
shortcut_set_assign_user($new_set, $this->shortcut_user);
$current_set = shortcut_current_displayed_set($this->shortcut_user);
$this
->assertTrue($new_set->set_name == $current_set->set_name, "Successfully switched another user's shortcut set.");
}