commit 574860b5ee9da281c875dad07a607454e135eaee
author Bram Moolenaar <Bram@vim.org> Tue May 24 17:33:34 2016 +0200
committer Bram Moolenaar <Bram@vim.org> Tue May 24 17:33:34 2016 +0200
tree c4eed36a67682b8fb209142b3f7081e11fee7f8b
parent c67e89213476b5f4756d92208b57ce9ef4a4cf24

patch 7.4.1838
Problem:    Functions specifically for testing do not sort together.
Solution:   Rename garbagecollect_for_testing() to test_garbagecollect_now().
            Add test_null_list(), test_null_dict(), etc.

src/testdir/test_expr.vim

diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
index 2cd9625..142455b 100644
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -85,7 +85,7 @@
 endfunc
 
 func Test_loop_over_null_list()
-  let null_list = submatch(1, 1)
+  let null_list = test_null_list()
   for i in null_list
     call assert_true(0, 'should not get here')
   endfor