patch 7.4.1513
Problem:    "J" fails if there are not enough lines. (Christian Neukirchen)
Solution:   Reduce the count, only fail on the last line.
diff --git a/src/testdir/test_alot.vim b/src/testdir/test_alot.vim
index 3ceece3..d7718ff 100644
--- a/src/testdir/test_alot.vim
+++ b/src/testdir/test_alot.vim
@@ -6,6 +6,7 @@
 source test_delete.vim
 source test_expand.vim
 source test_glob2regpat.vim
+source test_join.vim
 source test_lispwords.vim
 source test_menu.vim
 source test_reltime.vim