ash: add testsuite for bug 585

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-redir/redir7.right b/shell/ash_test/ash-redir/redir7.right
new file mode 100644
index 0000000..6430b02
--- /dev/null
+++ b/shell/ash_test/ash-redir/redir7.right
@@ -0,0 +1,3 @@
+Ok
+Ok
+Done