protected function sub_test_grade_category_set_locked()
{
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue(method_exists($category, 'set_locked'));
//will return false as cannot lock a grade that needs updating
$this->assertFalse($category->set_locked(1));
grade_regrade_final_grades($this->courseid);
//get the category from the db again
$category = new grade_category($this->grade_categories[0]);
$this->assertTrue($category->set_locked(1));
}
