Missing `,` at end of line:

There was 1 error:
1) phpbb_event_export_php_test::test_crawl_php_file with data set #112 ('includes/acp/acp_groups.php')
LogicException: Found invalid var 'test_variables, 'submit_ary' in array for event 'core.acp_manage_group_initialise_data' in file 'includes/acp/acp_groups.php:514'