reinstate redir.tests with correct perms

diff --git a/shell/ash_test/ash-redir/redir.tests b/shell/ash_test/ash-redir/redir.tests
new file mode 100755
index 0000000..7a1a668
--- /dev/null
+++ b/shell/ash_test/ash-redir/redir.tests
@@ -0,0 +1,6 @@
+# test: closed fds should stay closed
+exec 1>&-
+echo TEST >TEST
+echo JUNK # lost: stdout is closed
+cat TEST >&2
+rm TEST