sh testsuite: sync ash-redir/ and hush-redir/

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/hush_test/hush-redir/redir_escapednum.tests b/shell/hush_test/hush-redir/redir_escapednum.tests
new file mode 100755
index 0000000..81983ca
--- /dev/null
+++ b/shell/hush_test/hush-redir/redir_escapednum.tests
@@ -0,0 +1,2 @@
+echo NOT SHOWN \2>/dev/null
+echo Ok