patch 7.4.2208
Problem:    Test for mappings is old style.
Solution:   Convert the test to new style.
diff --git a/src/testdir/test_alot.vim b/src/testdir/test_alot.vim
index 8dd6984..442ba2e 100644
--- a/src/testdir/test_alot.vim
+++ b/src/testdir/test_alot.vim
@@ -23,6 +23,7 @@
 source test_lispwords.vim
 source test_match.vim
 source test_menu.vim
+source test_mapping.vim
 source test_messages.vim
 source test_partial.vim
 source test_popup.vim