ash: a bit more complete POSIX subst testsuite entry

diff --git a/shell/ash_test/ash-vars/var_posix1.right b/shell/ash_test/ash-vars/var_posix1.right
index 013b223..55f3579 100644
--- a/shell/ash_test/ash-vars/var_posix1.right
+++ b/shell/ash_test/ash-vars/var_posix1.right
@@ -3,8 +3,15 @@
 abcdcd
 cdcd
 babcdcd
+babcdcd
+ababcdcd
+
 ababcd
 ababcd
 ababcd
 abab
 ababcdc
+ababcdc
+ababcdcd
+
+end