patch 7.4.1949
Problem:    Minor problems with the quickfix code.
Solution:   Fix the problems. (Yegappan Lakshmanan)
diff --git a/src/testdir/test_quickfix.vim b/src/testdir/test_quickfix.vim
index 380d64b..56bf9cb 100644
--- a/src/testdir/test_quickfix.vim
+++ b/src/testdir/test_quickfix.vim
@@ -653,6 +653,8 @@
 
 " Test for quickfix directory stack support
 function! s:dir_stack_tests(cchar)
+  call s:setup_commands(a:cchar)
+
   let save_efm=&efm
   set efm=%DEntering\ dir\ '%f',%f:%l:%m,%XLeaving\ dir\ '%f'